805a727d26
Real perspective draws content with perspective applied. Fake perspective rasterizes in ortho, then stretches the image by the perspective matrix. Change-Id: I738cd379f9a58b965469ef8a57fb2dfd597fda10 Reviewed-on: https://skia-review.googlesource.com/125442 Commit-Queue: Brian Osman <brianosman@google.com> Commit-Queue: Brian Salomon <bsalomon@google.com> Commit-Queue: Ben Wagner <bungeman@google.com> Auto-Submit: Brian Osman <brianosman@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Reviewed-by: Ben Wagner <bungeman@google.com>
1906 lines
74 KiB
C++
1906 lines
74 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Viewer.h"
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#include "BisectSlide.h"
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#include "GMSlide.h"
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#include "ImageSlide.h"
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#include "Resources.h"
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#include "SampleSlide.h"
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#include "SkottieSlide.h"
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#include "SKPSlide.h"
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#include "SlideDir.h"
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#include "SvgSlide.h"
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#include "GrContext.h"
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#include "SkCanvas.h"
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#include "SkColorSpacePriv.h"
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#include "SkColorSpaceXformCanvas.h"
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#include "SkCommonFlags.h"
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#include "SkCommandLineFlags.h"
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#include "SkCommonFlagsGpu.h"
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#include "SkEventTracingPriv.h"
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#include "SkFontMgrPriv.h"
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#include "SkGraphics.h"
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#include "SkImagePriv.h"
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#include "SkMakeUnique.h"
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#include "SkOSFile.h"
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#include "SkOSPath.h"
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#include "SkPaintFilterCanvas.h"
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#include "SkPictureRecorder.h"
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#include "SkScan.h"
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#include "SkStream.h"
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#include "SkSurface.h"
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#include "SkTaskGroup.h"
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#include "SkTestFontMgr.h"
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#include "SkThreadedBMPDevice.h"
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#include "imgui.h"
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#include "ccpr/GrCoverageCountingPathRenderer.h"
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#include <stdlib.h>
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#include <map>
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using namespace sk_app;
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static std::map<GpuPathRenderers, std::string> gPathRendererNames;
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Application* Application::Create(int argc, char** argv, void* platformData) {
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return new Viewer(argc, argv, platformData);
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}
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static DEFINE_string(slide, "", "Start on this sample.");
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static DEFINE_bool(list, false, "List samples?");
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#ifdef SK_VULKAN
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# define BACKENDS_STR "\"sw\", \"gl\", and \"vk\""
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#else
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# define BACKENDS_STR "\"sw\" and \"gl\""
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#endif
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static DEFINE_string2(backend, b, "sw", "Backend to use. Allowed values are " BACKENDS_STR ".");
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static DEFINE_int32(msaa, 1, "Number of subpixel samples. 0 for no HW antialiasing.");
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DEFINE_string(bisect, "", "Path to a .skp or .svg file to bisect.");
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DECLARE_int32(threads)
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const char* kBackendTypeStrings[sk_app::Window::kBackendTypeCount] = {
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"OpenGL",
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#if SK_ANGLE && defined(SK_BUILD_FOR_WIN)
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"ANGLE",
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#endif
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#ifdef SK_VULKAN
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"Vulkan",
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#endif
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"Raster"
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};
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static sk_app::Window::BackendType get_backend_type(const char* str) {
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#ifdef SK_VULKAN
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if (0 == strcmp(str, "vk")) {
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return sk_app::Window::kVulkan_BackendType;
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} else
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#endif
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#if SK_ANGLE && defined(SK_BUILD_FOR_WIN)
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if (0 == strcmp(str, "angle")) {
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return sk_app::Window::kANGLE_BackendType;
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} else
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#endif
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if (0 == strcmp(str, "gl")) {
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return sk_app::Window::kNativeGL_BackendType;
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} else if (0 == strcmp(str, "sw")) {
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return sk_app::Window::kRaster_BackendType;
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} else {
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SkDebugf("Unknown backend type, %s, defaulting to sw.", str);
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return sk_app::Window::kRaster_BackendType;
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}
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}
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static SkColorSpacePrimaries gSrgbPrimaries = {
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0.64f, 0.33f,
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0.30f, 0.60f,
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0.15f, 0.06f,
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0.3127f, 0.3290f };
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static SkColorSpacePrimaries gAdobePrimaries = {
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0.64f, 0.33f,
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0.21f, 0.71f,
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0.15f, 0.06f,
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0.3127f, 0.3290f };
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static SkColorSpacePrimaries gP3Primaries = {
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0.680f, 0.320f,
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0.265f, 0.690f,
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0.150f, 0.060f,
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0.3127f, 0.3290f };
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static SkColorSpacePrimaries gRec2020Primaries = {
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0.708f, 0.292f,
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0.170f, 0.797f,
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0.131f, 0.046f,
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0.3127f, 0.3290f };
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struct NamedPrimaries {
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const char* fName;
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SkColorSpacePrimaries* fPrimaries;
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} gNamedPrimaries[] = {
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{ "sRGB", &gSrgbPrimaries },
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{ "AdobeRGB", &gAdobePrimaries },
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{ "P3", &gP3Primaries },
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{ "Rec. 2020", &gRec2020Primaries },
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};
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static bool primaries_equal(const SkColorSpacePrimaries& a, const SkColorSpacePrimaries& b) {
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return memcmp(&a, &b, sizeof(SkColorSpacePrimaries)) == 0;
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}
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static Window::BackendType backend_type_for_window(Window::BackendType backendType) {
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// In raster mode, we still use GL for the window.
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// This lets us render the GUI faster (and correct).
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return Window::kRaster_BackendType == backendType ? Window::kNativeGL_BackendType : backendType;
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}
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const char* kName = "name";
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const char* kValue = "value";
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const char* kOptions = "options";
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const char* kSlideStateName = "Slide";
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const char* kBackendStateName = "Backend";
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const char* kMSAAStateName = "MSAA";
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const char* kPathRendererStateName = "Path renderer";
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const char* kSoftkeyStateName = "Softkey";
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const char* kSoftkeyHint = "Please select a softkey";
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const char* kFpsStateName = "FPS";
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const char* kON = "ON";
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const char* kOFF = "OFF";
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const char* kRefreshStateName = "Refresh";
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Viewer::Viewer(int argc, char** argv, void* platformData)
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: fCurrentSlide(-1)
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, fRefresh(false)
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, fSaveToSKP(false)
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, fShowImGuiDebugWindow(false)
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, fShowSlidePicker(false)
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, fShowImGuiTestWindow(false)
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, fShowZoomWindow(false)
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, fLastImage(nullptr)
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, fBackendType(sk_app::Window::kNativeGL_BackendType)
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, fColorMode(ColorMode::kLegacy)
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, fColorSpacePrimaries(gSrgbPrimaries)
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// Our UI can only tweak gamma (currently), so start out gamma-only
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, fColorSpaceTransferFn(g2Dot2_TransferFn)
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, fZoomLevel(0.0f)
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, fRotation(0.0f)
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, fGestureDevice(GestureDevice::kNone)
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, fPerspectiveMode(kPerspective_Off)
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, fTileCnt(0)
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, fThreadCnt(0)
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{
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SkGraphics::Init();
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gPathRendererNames[GpuPathRenderers::kAll] = "All Path Renderers";
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gPathRendererNames[GpuPathRenderers::kDefault] =
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"Default Ganesh Behavior (best path renderer, not including CCPR)";
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gPathRendererNames[GpuPathRenderers::kStencilAndCover] = "NV_path_rendering";
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gPathRendererNames[GpuPathRenderers::kSmall] = "Small paths (cached sdf or alpha masks)";
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gPathRendererNames[GpuPathRenderers::kCoverageCounting] = "Coverage counting";
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gPathRendererNames[GpuPathRenderers::kTessellating] = "Tessellating";
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gPathRendererNames[GpuPathRenderers::kNone] = "Software masks";
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SkDebugf("Command line arguments: ");
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for (int i = 1; i < argc; ++i) {
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SkDebugf("%s ", argv[i]);
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}
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SkDebugf("\n");
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SkCommandLineFlags::Parse(argc, argv);
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#ifdef SK_BUILD_FOR_ANDROID
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SetResourcePath("/data/local/tmp/resources");
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#endif
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if (!FLAGS_nativeFonts) {
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gSkFontMgr_DefaultFactory = &sk_tool_utils::MakePortableFontMgr;
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}
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initializeEventTracingForTools();
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static SkTaskGroup::Enabler kTaskGroupEnabler(FLAGS_threads);
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fBackendType = get_backend_type(FLAGS_backend[0]);
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fWindow = Window::CreateNativeWindow(platformData);
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DisplayParams displayParams;
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displayParams.fMSAASampleCount = FLAGS_msaa;
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SetCtxOptionsFromCommonFlags(&displayParams.fGrContextOptions);
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fWindow->setRequestedDisplayParams(displayParams);
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// Configure timers
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fStatsLayer.setActive(false);
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fAnimateTimer = fStatsLayer.addTimer("Animate", SK_ColorMAGENTA, 0xffff66ff);
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fPaintTimer = fStatsLayer.addTimer("Paint", SK_ColorGREEN);
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fFlushTimer = fStatsLayer.addTimer("Flush", SK_ColorRED, 0xffff6666);
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// register callbacks
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fCommands.attach(fWindow);
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fWindow->pushLayer(this);
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fWindow->pushLayer(&fStatsLayer);
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fWindow->pushLayer(&fImGuiLayer);
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// add key-bindings
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fCommands.addCommand(' ', "GUI", "Toggle Debug GUI", [this]() {
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this->fShowImGuiDebugWindow = !this->fShowImGuiDebugWindow;
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fWindow->inval();
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});
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// Command to jump directly to the slide picker and give it focus
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fCommands.addCommand('/', "GUI", "Jump to slide picker", [this]() {
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this->fShowImGuiDebugWindow = true;
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this->fShowSlidePicker = true;
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fWindow->inval();
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});
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// Alias that to Backspace, to match SampleApp
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fCommands.addCommand(Window::Key::kBack, "Backspace", "GUI", "Jump to slide picker", [this]() {
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this->fShowImGuiDebugWindow = true;
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this->fShowSlidePicker = true;
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fWindow->inval();
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});
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fCommands.addCommand('g', "GUI", "Toggle GUI Demo", [this]() {
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this->fShowImGuiTestWindow = !this->fShowImGuiTestWindow;
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fWindow->inval();
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});
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fCommands.addCommand('z', "GUI", "Toggle zoom window", [this]() {
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this->fShowZoomWindow = !this->fShowZoomWindow;
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fWindow->inval();
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});
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fCommands.addCommand('s', "Overlays", "Toggle stats display", [this]() {
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fStatsLayer.setActive(!fStatsLayer.getActive());
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fWindow->inval();
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});
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fCommands.addCommand('0', "Overlays", "Reset stats", [this]() {
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fStatsLayer.resetMeasurements();
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('c', "Modes", "Cycle color mode", [this]() {
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switch (fColorMode) {
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case ColorMode::kLegacy:
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this->setColorMode(ColorMode::kColorManagedSRGB8888_NonLinearBlending);
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break;
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case ColorMode::kColorManagedSRGB8888_NonLinearBlending:
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this->setColorMode(ColorMode::kColorManagedSRGB8888);
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break;
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case ColorMode::kColorManagedSRGB8888:
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this->setColorMode(ColorMode::kColorManagedLinearF16);
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break;
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case ColorMode::kColorManagedLinearF16:
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this->setColorMode(ColorMode::kLegacy);
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break;
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}
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});
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fCommands.addCommand(Window::Key::kRight, "Right", "Navigation", "Next slide", [this]() {
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this->setCurrentSlide(fCurrentSlide < fSlides.count() - 1 ? fCurrentSlide + 1 : 0);
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});
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fCommands.addCommand(Window::Key::kLeft, "Left", "Navigation", "Previous slide", [this]() {
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this->setCurrentSlide(fCurrentSlide > 0 ? fCurrentSlide - 1 : fSlides.count() - 1);
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});
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fCommands.addCommand(Window::Key::kUp, "Up", "Transform", "Zoom in", [this]() {
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this->changeZoomLevel(1.f / 32.f);
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fWindow->inval();
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});
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fCommands.addCommand(Window::Key::kDown, "Down", "Transform", "Zoom out", [this]() {
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this->changeZoomLevel(-1.f / 32.f);
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fWindow->inval();
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});
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fCommands.addCommand('d', "Modes", "Change rendering backend", [this]() {
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sk_app::Window::BackendType newBackend = (sk_app::Window::BackendType)(
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(fBackendType + 1) % sk_app::Window::kBackendTypeCount);
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// Switching to and from Vulkan is problematic on Linux so disabled for now
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#if defined(SK_BUILD_FOR_UNIX) && defined(SK_VULKAN)
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if (newBackend == sk_app::Window::kVulkan_BackendType) {
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newBackend = (sk_app::Window::BackendType)((newBackend + 1) %
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sk_app::Window::kBackendTypeCount);
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} else if (fBackendType == sk_app::Window::kVulkan_BackendType) {
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newBackend = sk_app::Window::kVulkan_BackendType;
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}
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#endif
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this->setBackend(newBackend);
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});
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fCommands.addCommand('+', "Threaded Backend", "Increase tile count", [this]() {
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fTileCnt++;
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if (fThreadCnt == 0) {
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this->resetExecutor();
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}
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('-', "Threaded Backend", "Decrease tile count", [this]() {
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fTileCnt = SkTMax(0, fTileCnt - 1);
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if (fThreadCnt == 0) {
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this->resetExecutor();
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}
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('>', "Threaded Backend", "Increase thread count", [this]() {
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if (fTileCnt == 0) {
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return;
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}
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fThreadCnt = (fThreadCnt + 1) % fTileCnt;
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this->resetExecutor();
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('<', "Threaded Backend", "Decrease thread count", [this]() {
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if (fTileCnt == 0) {
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return;
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}
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fThreadCnt = (fThreadCnt + fTileCnt - 1) % fTileCnt;
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this->resetExecutor();
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('K', "IO", "Save slide to SKP", [this]() {
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fSaveToSKP = true;
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fWindow->inval();
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});
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fCommands.addCommand('G', "Modes", "Geometry", [this]() {
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DisplayParams params = fWindow->getRequestedDisplayParams();
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uint32_t flags = params.fSurfaceProps.flags();
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if (!fPixelGeometryOverrides) {
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fPixelGeometryOverrides = true;
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params.fSurfaceProps = SkSurfaceProps(flags, kUnknown_SkPixelGeometry);
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} else {
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switch (params.fSurfaceProps.pixelGeometry()) {
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case kUnknown_SkPixelGeometry:
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params.fSurfaceProps = SkSurfaceProps(flags, kRGB_H_SkPixelGeometry);
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break;
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case kRGB_H_SkPixelGeometry:
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params.fSurfaceProps = SkSurfaceProps(flags, kBGR_H_SkPixelGeometry);
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break;
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case kBGR_H_SkPixelGeometry:
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params.fSurfaceProps = SkSurfaceProps(flags, kRGB_V_SkPixelGeometry);
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break;
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case kRGB_V_SkPixelGeometry:
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params.fSurfaceProps = SkSurfaceProps(flags, kBGR_V_SkPixelGeometry);
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break;
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case kBGR_V_SkPixelGeometry:
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params.fSurfaceProps = SkSurfaceProps(flags, SkSurfaceProps::kLegacyFontHost_InitType);
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fPixelGeometryOverrides = false;
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break;
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}
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}
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fWindow->setRequestedDisplayParams(params);
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('H', "Paint", "Hinting mode", [this]() {
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if (!fPaintOverrides.fHinting) {
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fPaintOverrides.fHinting = true;
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fPaint.setHinting(SkPaint::kNo_Hinting);
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} else {
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switch (fPaint.getHinting()) {
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case SkPaint::kNo_Hinting:
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fPaint.setHinting(SkPaint::kSlight_Hinting);
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break;
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case SkPaint::kSlight_Hinting:
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fPaint.setHinting(SkPaint::kNormal_Hinting);
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break;
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case SkPaint::kNormal_Hinting:
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fPaint.setHinting(SkPaint::kFull_Hinting);
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break;
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case SkPaint::kFull_Hinting:
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fPaint.setHinting(SkPaint::kNo_Hinting);
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fPaintOverrides.fHinting = false;
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break;
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}
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}
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this->updateTitle();
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fWindow->inval();
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});
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fCommands.addCommand('A', "Paint", "Antialias Mode", [this]() {
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if (!(fPaintOverrides.fFlags & SkPaint::kAntiAlias_Flag)) {
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fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::Alias;
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fPaintOverrides.fFlags |= SkPaint::kAntiAlias_Flag;
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fPaint.setAntiAlias(false);
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gSkUseAnalyticAA = gSkForceAnalyticAA = false;
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gSkUseDeltaAA = gSkForceDeltaAA = false;
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} else {
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fPaint.setAntiAlias(true);
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switch (fPaintOverrides.fAntiAlias) {
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case SkPaintFields::AntiAliasState::Alias:
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fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::Normal;
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gSkUseAnalyticAA = gSkForceAnalyticAA = false;
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gSkUseDeltaAA = gSkForceDeltaAA = false;
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break;
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case SkPaintFields::AntiAliasState::Normal:
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fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::AnalyticAAEnabled;
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gSkUseAnalyticAA = true;
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gSkForceAnalyticAA = false;
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gSkUseDeltaAA = gSkForceDeltaAA = false;
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break;
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case SkPaintFields::AntiAliasState::AnalyticAAEnabled:
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fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::AnalyticAAForced;
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gSkUseAnalyticAA = gSkForceAnalyticAA = true;
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gSkUseDeltaAA = gSkForceDeltaAA = false;
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break;
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case SkPaintFields::AntiAliasState::AnalyticAAForced:
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fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::DeltaAAEnabled;
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gSkUseAnalyticAA = gSkForceAnalyticAA = false;
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gSkUseDeltaAA = true;
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gSkForceDeltaAA = false;
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break;
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case SkPaintFields::AntiAliasState::DeltaAAEnabled:
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fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::DeltaAAForced;
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gSkUseAnalyticAA = gSkForceAnalyticAA = false;
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gSkUseDeltaAA = gSkForceDeltaAA = true;
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break;
|
|
case SkPaintFields::AntiAliasState::DeltaAAForced:
|
|
fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::Alias;
|
|
fPaintOverrides.fFlags &= ~SkPaint::kAntiAlias_Flag;
|
|
gSkUseAnalyticAA = fPaintOverrides.fOriginalSkUseAnalyticAA;
|
|
gSkForceAnalyticAA = fPaintOverrides.fOriginalSkForceAnalyticAA;
|
|
gSkUseDeltaAA = fPaintOverrides.fOriginalSkUseDeltaAA;
|
|
gSkForceDeltaAA = fPaintOverrides.fOriginalSkForceDeltaAA;
|
|
break;
|
|
}
|
|
}
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
});
|
|
fCommands.addCommand('D', "Modes", "DFT", [this]() {
|
|
DisplayParams params = fWindow->getRequestedDisplayParams();
|
|
uint32_t flags = params.fSurfaceProps.flags();
|
|
flags ^= SkSurfaceProps::kUseDeviceIndependentFonts_Flag;
|
|
params.fSurfaceProps = SkSurfaceProps(flags, params.fSurfaceProps.pixelGeometry());
|
|
fWindow->setRequestedDisplayParams(params);
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
});
|
|
fCommands.addCommand('L', "Paint", "Subpixel Antialias Mode", [this]() {
|
|
if (!(fPaintOverrides.fFlags & SkPaint::kLCDRenderText_Flag)) {
|
|
fPaintOverrides.fFlags |= SkPaint::kLCDRenderText_Flag;
|
|
fPaint.setLCDRenderText(false);
|
|
} else {
|
|
if (!fPaint.isLCDRenderText()) {
|
|
fPaint.setLCDRenderText(true);
|
|
} else {
|
|
fPaintOverrides.fFlags &= ~SkPaint::kLCDRenderText_Flag;
|
|
}
|
|
}
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
});
|
|
fCommands.addCommand('S', "Paint", "Subpixel Position Mode", [this]() {
|
|
if (!(fPaintOverrides.fFlags & SkPaint::kSubpixelText_Flag)) {
|
|
fPaintOverrides.fFlags |= SkPaint::kSubpixelText_Flag;
|
|
fPaint.setSubpixelText(false);
|
|
} else {
|
|
if (!fPaint.isSubpixelText()) {
|
|
fPaint.setSubpixelText(true);
|
|
} else {
|
|
fPaintOverrides.fFlags &= ~SkPaint::kSubpixelText_Flag;
|
|
}
|
|
}
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
});
|
|
fCommands.addCommand('p', "Transform", "Toggle Perspective Mode", [this]() {
|
|
fPerspectiveMode = (kPerspective_Real == fPerspectiveMode) ? kPerspective_Fake
|
|
: kPerspective_Real;
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
});
|
|
fCommands.addCommand('P', "Transform", "Toggle Perspective", [this]() {
|
|
fPerspectiveMode = (kPerspective_Off == fPerspectiveMode) ? kPerspective_Real
|
|
: kPerspective_Off;
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
});
|
|
|
|
// set up slides
|
|
this->initSlides();
|
|
if (FLAGS_list) {
|
|
this->listNames();
|
|
}
|
|
|
|
fPerspectivePoints[0].set(0, 0);
|
|
fPerspectivePoints[1].set(1, 0);
|
|
fPerspectivePoints[2].set(0, 1);
|
|
fPerspectivePoints[3].set(1, 1);
|
|
fAnimTimer.run();
|
|
|
|
auto gamutImage = GetResourceAsImage("images/gamut.png");
|
|
if (gamutImage) {
|
|
fImGuiGamutPaint.setShader(gamutImage->makeShader());
|
|
}
|
|
fImGuiGamutPaint.setColor(SK_ColorWHITE);
|
|
fImGuiGamutPaint.setFilterQuality(kLow_SkFilterQuality);
|
|
|
|
fWindow->attach(backend_type_for_window(fBackendType));
|
|
this->setCurrentSlide(this->startupSlide());
|
|
}
|
|
|
|
void Viewer::initSlides() {
|
|
fAllSlideNames = Json::Value(Json::arrayValue);
|
|
|
|
// Bisect slide.
|
|
if (!FLAGS_bisect.isEmpty()) {
|
|
sk_sp<BisectSlide> bisect = BisectSlide::Create(FLAGS_bisect[0]);
|
|
if (bisect && !SkCommandLineFlags::ShouldSkip(FLAGS_match, bisect->getName().c_str())) {
|
|
if (FLAGS_bisect.count() >= 2) {
|
|
for (const char* ch = FLAGS_bisect[1]; *ch; ++ch) {
|
|
bisect->onChar(*ch);
|
|
}
|
|
}
|
|
fSlides.push_back(std::move(bisect));
|
|
}
|
|
}
|
|
|
|
// GMs
|
|
int firstGM = fSlides.count();
|
|
const skiagm::GMRegistry* gms(skiagm::GMRegistry::Head());
|
|
while (gms) {
|
|
std::unique_ptr<skiagm::GM> gm(gms->factory()(nullptr));
|
|
|
|
if (!SkCommandLineFlags::ShouldSkip(FLAGS_match, gm->getName())) {
|
|
sk_sp<Slide> slide(new GMSlide(gm.release()));
|
|
fSlides.push_back(std::move(slide));
|
|
}
|
|
|
|
gms = gms->next();
|
|
}
|
|
// reverse gms
|
|
int numGMs = fSlides.count() - firstGM;
|
|
for (int i = 0; i < numGMs/2; ++i) {
|
|
std::swap(fSlides[firstGM + i], fSlides[fSlides.count() - i - 1]);
|
|
}
|
|
|
|
// samples
|
|
const SkViewRegister* reg = SkViewRegister::Head();
|
|
while (reg) {
|
|
sk_sp<Slide> slide(new SampleSlide(reg->factory()));
|
|
if (!SkCommandLineFlags::ShouldSkip(FLAGS_match, slide->getName().c_str())) {
|
|
fSlides.push_back(slide);
|
|
}
|
|
reg = reg->next();
|
|
}
|
|
|
|
using SlideFactory = sk_sp<Slide>(*)(const SkString& name, const SkString& path);
|
|
static const struct {
|
|
const char* fExtension;
|
|
const char* fDirName;
|
|
const SkCommandLineFlags::StringArray& fFlags;
|
|
const SlideFactory fFactory;
|
|
} gExternalSlidesInfo[] = {
|
|
{ ".skp", "skp-dir", FLAGS_skps,
|
|
[](const SkString& name, const SkString& path) -> sk_sp<Slide> {
|
|
return sk_make_sp<SKPSlide>(name, path);}
|
|
},
|
|
{ ".jpg", "jpg-dir", FLAGS_jpgs,
|
|
[](const SkString& name, const SkString& path) -> sk_sp<Slide> {
|
|
return sk_make_sp<ImageSlide>(name, path);}
|
|
},
|
|
{ ".json", "skottie-dir", FLAGS_jsons,
|
|
[](const SkString& name, const SkString& path) -> sk_sp<Slide> {
|
|
return sk_make_sp<SkottieSlide>(name, path);}
|
|
},
|
|
{ ".svg", "svg-dir", FLAGS_svgs,
|
|
[](const SkString& name, const SkString& path) -> sk_sp<Slide> {
|
|
return sk_make_sp<SvgSlide>(name, path);}
|
|
},
|
|
};
|
|
|
|
SkTArray<sk_sp<Slide>, true> dirSlides;
|
|
|
|
const auto addSlide = [&](const SkString& name,
|
|
const SkString& path,
|
|
const SlideFactory& fact) {
|
|
if (SkCommandLineFlags::ShouldSkip(FLAGS_match, name.c_str())) {
|
|
return;
|
|
}
|
|
|
|
if (auto slide = fact(name, path)) {
|
|
dirSlides.push_back(slide);
|
|
fSlides.push_back(std::move(slide));
|
|
}
|
|
};
|
|
|
|
for (const auto& info : gExternalSlidesInfo) {
|
|
for (const auto& flag : info.fFlags) {
|
|
if (SkStrEndsWith(flag.c_str(), info.fExtension)) {
|
|
// single file
|
|
addSlide(SkOSPath::Basename(flag.c_str()), flag, info.fFactory);
|
|
} else {
|
|
// directory
|
|
SkOSFile::Iter it(flag.c_str(), info.fExtension);
|
|
SkString name;
|
|
while (it.next(&name)) {
|
|
addSlide(name, SkOSPath::Join(flag.c_str(), name.c_str()), info.fFactory);
|
|
}
|
|
}
|
|
|
|
if (!dirSlides.empty()) {
|
|
fSlides.push_back(
|
|
sk_make_sp<SlideDir>(SkStringPrintf("%s[%s]", info.fDirName, flag.c_str()),
|
|
std::move(dirSlides)));
|
|
dirSlides.reset();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
Viewer::~Viewer() {
|
|
fWindow->detach();
|
|
delete fWindow;
|
|
}
|
|
|
|
struct SkPaintTitleUpdater {
|
|
SkPaintTitleUpdater(SkString* title) : fTitle(title), fCount(0) {}
|
|
void append(const char* s) {
|
|
if (fCount == 0) {
|
|
fTitle->append(" {");
|
|
} else {
|
|
fTitle->append(", ");
|
|
}
|
|
fTitle->append(s);
|
|
++fCount;
|
|
}
|
|
void done() {
|
|
if (fCount > 0) {
|
|
fTitle->append("}");
|
|
}
|
|
}
|
|
SkString* fTitle;
|
|
int fCount;
|
|
};
|
|
|
|
void Viewer::updateTitle() {
|
|
if (!fWindow) {
|
|
return;
|
|
}
|
|
if (fWindow->sampleCount() < 1) {
|
|
return; // Surface hasn't been created yet.
|
|
}
|
|
|
|
SkString title("Viewer: ");
|
|
title.append(fSlides[fCurrentSlide]->getName());
|
|
|
|
if (gSkUseDeltaAA) {
|
|
if (gSkForceDeltaAA) {
|
|
title.append(" <FDAA>");
|
|
} else {
|
|
title.append(" <DAA>");
|
|
}
|
|
} else if (gSkUseAnalyticAA) {
|
|
if (gSkForceAnalyticAA) {
|
|
title.append(" <FAAA>");
|
|
} else {
|
|
title.append(" <AAA>");
|
|
}
|
|
}
|
|
|
|
SkPaintTitleUpdater paintTitle(&title);
|
|
if (fPaintOverrides.fFlags & SkPaint::kAntiAlias_Flag) {
|
|
if (fPaint.isAntiAlias()) {
|
|
paintTitle.append("Antialias");
|
|
} else {
|
|
paintTitle.append("Alias");
|
|
}
|
|
}
|
|
if (fPaintOverrides.fFlags & SkPaint::kLCDRenderText_Flag) {
|
|
if (fPaint.isLCDRenderText()) {
|
|
paintTitle.append("LCD");
|
|
} else {
|
|
paintTitle.append("lcd");
|
|
}
|
|
}
|
|
if (fPaintOverrides.fFlags & SkPaint::kSubpixelText_Flag) {
|
|
if (fPaint.isSubpixelText()) {
|
|
paintTitle.append("Subpixel Glyphs");
|
|
} else {
|
|
paintTitle.append("Pixel Glyphs");
|
|
}
|
|
}
|
|
if (fPaintOverrides.fHinting) {
|
|
switch (fPaint.getHinting()) {
|
|
case SkPaint::kNo_Hinting:
|
|
paintTitle.append("No Hinting");
|
|
break;
|
|
case SkPaint::kSlight_Hinting:
|
|
paintTitle.append("Slight Hinting");
|
|
break;
|
|
case SkPaint::kNormal_Hinting:
|
|
paintTitle.append("Normal Hinting");
|
|
break;
|
|
case SkPaint::kFull_Hinting:
|
|
paintTitle.append("Full Hinting");
|
|
break;
|
|
}
|
|
}
|
|
paintTitle.done();
|
|
|
|
if (fTileCnt > 0) {
|
|
title.appendf(" T%d", fTileCnt);
|
|
if (fThreadCnt > 0) {
|
|
title.appendf("/%d", fThreadCnt);
|
|
}
|
|
}
|
|
|
|
switch (fColorMode) {
|
|
case ColorMode::kLegacy:
|
|
title.append(" Legacy 8888");
|
|
break;
|
|
case ColorMode::kColorManagedSRGB8888_NonLinearBlending:
|
|
title.append(" ColorManaged 8888 (Nonlinear blending)");
|
|
break;
|
|
case ColorMode::kColorManagedSRGB8888:
|
|
title.append(" ColorManaged 8888");
|
|
break;
|
|
case ColorMode::kColorManagedLinearF16:
|
|
title.append(" ColorManaged F16");
|
|
break;
|
|
}
|
|
|
|
if (ColorMode::kLegacy != fColorMode) {
|
|
int curPrimaries = -1;
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(gNamedPrimaries); ++i) {
|
|
if (primaries_equal(*gNamedPrimaries[i].fPrimaries, fColorSpacePrimaries)) {
|
|
curPrimaries = i;
|
|
break;
|
|
}
|
|
}
|
|
title.appendf(" %s", curPrimaries >= 0 ? gNamedPrimaries[curPrimaries].fName : "Custom");
|
|
|
|
if (ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode) {
|
|
title.appendf(" Gamma %f", fColorSpaceTransferFn.fG);
|
|
}
|
|
}
|
|
|
|
const DisplayParams& params = fWindow->getRequestedDisplayParams();
|
|
if (fPixelGeometryOverrides) {
|
|
switch (params.fSurfaceProps.pixelGeometry()) {
|
|
case kUnknown_SkPixelGeometry:
|
|
title.append( " Flat");
|
|
break;
|
|
case kRGB_H_SkPixelGeometry:
|
|
title.append( " RGB");
|
|
break;
|
|
case kBGR_H_SkPixelGeometry:
|
|
title.append( " BGR");
|
|
break;
|
|
case kRGB_V_SkPixelGeometry:
|
|
title.append( " RGBV");
|
|
break;
|
|
case kBGR_V_SkPixelGeometry:
|
|
title.append( " BGRV");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (params.fSurfaceProps.isUseDeviceIndependentFonts()) {
|
|
title.append(" DFT");
|
|
}
|
|
|
|
title.append(" [");
|
|
title.append(kBackendTypeStrings[fBackendType]);
|
|
int msaa = fWindow->sampleCount();
|
|
if (msaa > 1) {
|
|
title.appendf(" MSAA: %i", msaa);
|
|
}
|
|
title.append("]");
|
|
|
|
GpuPathRenderers pr = fWindow->getRequestedDisplayParams().fGrContextOptions.fGpuPathRenderers;
|
|
if (GpuPathRenderers::kDefault != pr) {
|
|
title.appendf(" [Path renderer: %s]", gPathRendererNames[pr].c_str());
|
|
}
|
|
|
|
if (kPerspective_Real == fPerspectiveMode) {
|
|
title.append(" Perpsective (Real)");
|
|
} else if (kPerspective_Fake == fPerspectiveMode) {
|
|
title.append(" Perspective (Fake)");
|
|
}
|
|
|
|
fWindow->setTitle(title.c_str());
|
|
}
|
|
|
|
int Viewer::startupSlide() const {
|
|
|
|
if (!FLAGS_slide.isEmpty()) {
|
|
int count = fSlides.count();
|
|
for (int i = 0; i < count; i++) {
|
|
if (fSlides[i]->getName().equals(FLAGS_slide[0])) {
|
|
return i;
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "Unknown slide \"%s\"\n", FLAGS_slide[0]);
|
|
this->listNames();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void Viewer::listNames() const {
|
|
SkDebugf("All Slides:\n");
|
|
for (const auto& slide : fSlides) {
|
|
SkDebugf(" %s\n", slide->getName().c_str());
|
|
}
|
|
}
|
|
|
|
void Viewer::setCurrentSlide(int slide) {
|
|
SkASSERT(slide >= 0 && slide < fSlides.count());
|
|
|
|
if (slide == fCurrentSlide) {
|
|
return;
|
|
}
|
|
|
|
if (fCurrentSlide >= 0) {
|
|
fSlides[fCurrentSlide]->unload();
|
|
}
|
|
|
|
fSlides[slide]->load(SkIntToScalar(fWindow->width()),
|
|
SkIntToScalar(fWindow->height()));
|
|
fCurrentSlide = slide;
|
|
this->setupCurrentSlide();
|
|
}
|
|
|
|
void Viewer::setupCurrentSlide() {
|
|
if (fCurrentSlide >= 0) {
|
|
// prepare dimensions for image slides
|
|
fGesture.resetTouchState();
|
|
fDefaultMatrix.reset();
|
|
|
|
const SkISize slideSize = fSlides[fCurrentSlide]->getDimensions();
|
|
const SkRect slideBounds = SkRect::MakeIWH(slideSize.width(), slideSize.height());
|
|
const SkRect windowRect = SkRect::MakeIWH(fWindow->width(), fWindow->height());
|
|
|
|
// Start with a matrix that scales the slide to the available screen space
|
|
if (fWindow->scaleContentToFit()) {
|
|
if (windowRect.width() > 0 && windowRect.height() > 0) {
|
|
fDefaultMatrix.setRectToRect(slideBounds, windowRect, SkMatrix::kStart_ScaleToFit);
|
|
}
|
|
}
|
|
|
|
// Prevent the user from dragging content so far outside the window they can't find it again
|
|
fGesture.setTransLimit(slideBounds, windowRect, this->computePreTouchMatrix());
|
|
|
|
this->updateTitle();
|
|
this->updateUIState();
|
|
|
|
fStatsLayer.resetMeasurements();
|
|
|
|
fWindow->inval();
|
|
}
|
|
}
|
|
|
|
#define MAX_ZOOM_LEVEL 8
|
|
#define MIN_ZOOM_LEVEL -8
|
|
|
|
void Viewer::changeZoomLevel(float delta) {
|
|
fZoomLevel += delta;
|
|
fZoomLevel = SkScalarPin(fZoomLevel, MIN_ZOOM_LEVEL, MAX_ZOOM_LEVEL);
|
|
this->preTouchMatrixChanged();
|
|
}
|
|
|
|
void Viewer::preTouchMatrixChanged() {
|
|
// Update the trans limit as the transform changes.
|
|
const SkISize slideSize = fSlides[fCurrentSlide]->getDimensions();
|
|
const SkRect slideBounds = SkRect::MakeIWH(slideSize.width(), slideSize.height());
|
|
const SkRect windowRect = SkRect::MakeIWH(fWindow->width(), fWindow->height());
|
|
fGesture.setTransLimit(slideBounds, windowRect, this->computePreTouchMatrix());
|
|
}
|
|
|
|
SkMatrix Viewer::computePerspectiveMatrix() {
|
|
SkScalar w = fWindow->width(), h = fWindow->height();
|
|
SkPoint orthoPts[4] = { { 0, 0 }, { w, 0 }, { 0, h }, { w, h } };
|
|
SkPoint perspPts[4] = {
|
|
{ fPerspectivePoints[0].fX * w, fPerspectivePoints[0].fY * h },
|
|
{ fPerspectivePoints[1].fX * w, fPerspectivePoints[1].fY * h },
|
|
{ fPerspectivePoints[2].fX * w, fPerspectivePoints[2].fY * h },
|
|
{ fPerspectivePoints[3].fX * w, fPerspectivePoints[3].fY * h }
|
|
};
|
|
SkMatrix m;
|
|
m.setPolyToPoly(orthoPts, perspPts, 4);
|
|
return m;
|
|
}
|
|
|
|
SkMatrix Viewer::computePreTouchMatrix() {
|
|
SkMatrix m = fDefaultMatrix;
|
|
SkScalar zoomScale = (fZoomLevel < 0) ? SK_Scalar1 / (SK_Scalar1 - fZoomLevel)
|
|
: SK_Scalar1 + fZoomLevel;
|
|
m.preScale(zoomScale, zoomScale);
|
|
|
|
const SkISize slideSize = fSlides[fCurrentSlide]->getDimensions();
|
|
m.preRotate(fRotation, slideSize.width() * 0.5f, slideSize.height() * 0.5f);
|
|
|
|
if (kPerspective_Real == fPerspectiveMode) {
|
|
SkMatrix persp = this->computePerspectiveMatrix();
|
|
m.postConcat(persp);
|
|
}
|
|
|
|
return m;
|
|
}
|
|
|
|
SkMatrix Viewer::computeMatrix() {
|
|
SkMatrix m = fGesture.localM();
|
|
m.preConcat(fGesture.globalM());
|
|
m.preConcat(this->computePreTouchMatrix());
|
|
return m;
|
|
}
|
|
|
|
void Viewer::setBackend(sk_app::Window::BackendType backendType) {
|
|
fBackendType = backendType;
|
|
|
|
fWindow->detach();
|
|
|
|
#if defined(SK_BUILD_FOR_WIN)
|
|
// Switching between OpenGL, Vulkan, and ANGLE in the same window is problematic at this point
|
|
// on Windows, so we just delete the window and recreate it.
|
|
DisplayParams params = fWindow->getRequestedDisplayParams();
|
|
delete fWindow;
|
|
fWindow = Window::CreateNativeWindow(nullptr);
|
|
|
|
// re-register callbacks
|
|
fCommands.attach(fWindow);
|
|
fWindow->pushLayer(this);
|
|
fWindow->pushLayer(&fStatsLayer);
|
|
fWindow->pushLayer(&fImGuiLayer);
|
|
|
|
// Don't allow the window to re-attach. If we're in MSAA mode, the params we grabbed above
|
|
// will still include our correct sample count. But the re-created fWindow will lose that
|
|
// information. On Windows, we need to re-create the window when changing sample count,
|
|
// so we'll incorrectly detect that situation, then re-initialize the window in GL mode,
|
|
// rendering this tear-down step pointless (and causing the Vulkan window context to fail
|
|
// as if we had never changed windows at all).
|
|
fWindow->setRequestedDisplayParams(params, false);
|
|
#endif
|
|
|
|
fWindow->attach(backend_type_for_window(fBackendType));
|
|
}
|
|
|
|
void Viewer::setColorMode(ColorMode colorMode) {
|
|
fColorMode = colorMode;
|
|
|
|
// When we're in color managed mode, we tag our window surface as sRGB. If we've switched into
|
|
// or out of legacy/nonlinear mode, we need to update our window configuration.
|
|
DisplayParams params = fWindow->getRequestedDisplayParams();
|
|
bool wasInLegacy = !SkToBool(params.fColorSpace);
|
|
bool wantLegacy = (ColorMode::kLegacy == fColorMode) ||
|
|
(ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode);
|
|
if (wasInLegacy != wantLegacy) {
|
|
params.fColorSpace = wantLegacy ? nullptr : SkColorSpace::MakeSRGB();
|
|
fWindow->setRequestedDisplayParams(params);
|
|
}
|
|
|
|
this->updateTitle();
|
|
fWindow->inval();
|
|
}
|
|
|
|
class OveridePaintFilterCanvas : public SkPaintFilterCanvas {
|
|
public:
|
|
OveridePaintFilterCanvas(SkCanvas* canvas, SkPaint* paint, Viewer::SkPaintFields* fields)
|
|
: SkPaintFilterCanvas(canvas), fPaint(paint), fPaintOverrides(fields)
|
|
{ }
|
|
bool onFilter(SkTCopyOnFirstWrite<SkPaint>* paint, Type) const override {
|
|
if (*paint == nullptr) {
|
|
return true;
|
|
}
|
|
if (fPaintOverrides->fHinting) {
|
|
paint->writable()->setHinting(fPaint->getHinting());
|
|
}
|
|
if (fPaintOverrides->fFlags & SkPaint::kAntiAlias_Flag) {
|
|
paint->writable()->setAntiAlias(fPaint->isAntiAlias());
|
|
}
|
|
if (fPaintOverrides->fFlags & SkPaint::kLCDRenderText_Flag) {
|
|
paint->writable()->setLCDRenderText(fPaint->isLCDRenderText());
|
|
}
|
|
if (fPaintOverrides->fFlags & SkPaint::kSubpixelText_Flag) {
|
|
paint->writable()->setSubpixelText(fPaint->isSubpixelText());
|
|
}
|
|
return true;
|
|
}
|
|
SkPaint* fPaint;
|
|
Viewer::SkPaintFields* fPaintOverrides;
|
|
};
|
|
|
|
void Viewer::drawSlide(SkCanvas* canvas) {
|
|
SkAutoCanvasRestore autorestore(canvas, false);
|
|
|
|
// By default, we render directly into the window's surface/canvas
|
|
SkCanvas* slideCanvas = canvas;
|
|
fLastImage.reset();
|
|
|
|
// If we're in any of the color managed modes, construct the color space we're going to use
|
|
sk_sp<SkColorSpace> cs = nullptr;
|
|
if (ColorMode::kLegacy != fColorMode) {
|
|
auto transferFn = (ColorMode::kColorManagedLinearF16 == fColorMode)
|
|
? SkColorSpace::kLinear_RenderTargetGamma : SkColorSpace::kSRGB_RenderTargetGamma;
|
|
SkMatrix44 toXYZ(SkMatrix44::kIdentity_Constructor);
|
|
SkAssertResult(fColorSpacePrimaries.toXYZD50(&toXYZ));
|
|
if (ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode) {
|
|
cs = SkColorSpace::MakeRGB(fColorSpaceTransferFn, toXYZ);
|
|
} else {
|
|
cs = SkColorSpace::MakeRGB(transferFn, toXYZ);
|
|
}
|
|
}
|
|
|
|
if (fSaveToSKP) {
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recorderCanvas = recorder.beginRecording(
|
|
SkRect::Make(fSlides[fCurrentSlide]->getDimensions()));
|
|
// In xform-canvas mode, record the transformed output
|
|
std::unique_ptr<SkCanvas> xformCanvas = nullptr;
|
|
if (ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode) {
|
|
xformCanvas = SkCreateColorSpaceXformCanvas(recorderCanvas, cs);
|
|
recorderCanvas = xformCanvas.get();
|
|
}
|
|
fSlides[fCurrentSlide]->draw(recorderCanvas);
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
SkFILEWStream stream("sample_app.skp");
|
|
picture->serialize(&stream);
|
|
fSaveToSKP = false;
|
|
}
|
|
|
|
// If we're in F16, or we're zooming, or we're in color correct 8888 and the gamut isn't sRGB,
|
|
// we need to render offscreen. We also need to render offscreen if we're in any raster mode,
|
|
// because the window surface is actually GL, or we're doing fake perspective.
|
|
sk_sp<SkSurface> offscreenSurface = nullptr;
|
|
std::unique_ptr<SkCanvas> threadedCanvas;
|
|
if (Window::kRaster_BackendType == fBackendType ||
|
|
kPerspective_Fake == fPerspectiveMode ||
|
|
ColorMode::kColorManagedLinearF16 == fColorMode ||
|
|
fShowZoomWindow ||
|
|
(ColorMode::kColorManagedSRGB8888 == fColorMode &&
|
|
!primaries_equal(fColorSpacePrimaries, gSrgbPrimaries))) {
|
|
|
|
SkColorType colorType = (ColorMode::kColorManagedLinearF16 == fColorMode)
|
|
? kRGBA_F16_SkColorType : kN32_SkColorType;
|
|
// In nonlinear blending mode, we actually use a legacy off-screen canvas, and wrap it
|
|
// with a special canvas (below) that has the color space attached
|
|
sk_sp<SkColorSpace> offscreenColorSpace =
|
|
(ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode) ? nullptr : cs;
|
|
SkImageInfo info = SkImageInfo::Make(fWindow->width(), fWindow->height(), colorType,
|
|
kPremul_SkAlphaType, std::move(offscreenColorSpace));
|
|
SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
canvas->getProps(&props);
|
|
offscreenSurface = Window::kRaster_BackendType == fBackendType
|
|
? SkSurface::MakeRaster(info, &props)
|
|
: canvas->makeSurface(info);
|
|
SkPixmap offscreenPixmap;
|
|
if (fTileCnt > 0 && offscreenSurface->peekPixels(&offscreenPixmap)) {
|
|
SkBitmap offscreenBitmap;
|
|
offscreenBitmap.installPixels(offscreenPixmap);
|
|
threadedCanvas =
|
|
skstd::make_unique<SkCanvas>(
|
|
sk_make_sp<SkThreadedBMPDevice>(
|
|
offscreenBitmap, fTileCnt, fThreadCnt, fExecutor.get()));
|
|
slideCanvas = threadedCanvas.get();
|
|
} else {
|
|
slideCanvas = offscreenSurface->getCanvas();
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<SkCanvas> xformCanvas = nullptr;
|
|
if (ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode) {
|
|
xformCanvas = SkCreateColorSpaceXformCanvas(slideCanvas, cs);
|
|
slideCanvas = xformCanvas.get();
|
|
}
|
|
|
|
int count = slideCanvas->save();
|
|
slideCanvas->clear(SK_ColorWHITE);
|
|
slideCanvas->concat(computeMatrix());
|
|
// Time the painting logic of the slide
|
|
fStatsLayer.beginTiming(fPaintTimer);
|
|
OveridePaintFilterCanvas filterCanvas(slideCanvas, &fPaint, &fPaintOverrides);
|
|
fSlides[fCurrentSlide]->draw(&filterCanvas);
|
|
fStatsLayer.endTiming(fPaintTimer);
|
|
slideCanvas->restoreToCount(count);
|
|
|
|
// Force a flush so we can time that, too
|
|
fStatsLayer.beginTiming(fFlushTimer);
|
|
slideCanvas->flush();
|
|
fStatsLayer.endTiming(fFlushTimer);
|
|
|
|
// If we rendered offscreen, snap an image and push the results to the window's canvas
|
|
if (offscreenSurface) {
|
|
fLastImage = offscreenSurface->makeImageSnapshot();
|
|
|
|
// Tag the image with the sRGB gamut, so no further color space conversion happens
|
|
sk_sp<SkColorSpace> srgb = (ColorMode::kColorManagedLinearF16 == fColorMode)
|
|
? SkColorSpace::MakeSRGBLinear() : SkColorSpace::MakeSRGB();
|
|
auto retaggedImage = SkImageMakeRasterCopyAndAssignColorSpace(fLastImage.get(), srgb.get());
|
|
SkPaint paint;
|
|
paint.setBlendMode(SkBlendMode::kSrc);
|
|
int prePerspectiveCount = canvas->save();
|
|
if (kPerspective_Fake == fPerspectiveMode) {
|
|
paint.setFilterQuality(kHigh_SkFilterQuality);
|
|
canvas->clear(SK_ColorWHITE);
|
|
canvas->concat(this->computePerspectiveMatrix());
|
|
}
|
|
canvas->drawImage(retaggedImage, 0, 0, &paint);
|
|
canvas->restoreToCount(prePerspectiveCount);
|
|
}
|
|
}
|
|
|
|
void Viewer::onBackendCreated() {
|
|
this->setupCurrentSlide();
|
|
fWindow->show();
|
|
}
|
|
|
|
void Viewer::onPaint(SkCanvas* canvas) {
|
|
this->drawSlide(canvas);
|
|
|
|
fCommands.drawHelp(canvas);
|
|
|
|
this->drawImGui();
|
|
|
|
// Update the FPS
|
|
this->updateUIState();
|
|
}
|
|
|
|
SkPoint Viewer::mapEvent(float x, float y) {
|
|
const auto m = this->computeMatrix();
|
|
SkMatrix inv;
|
|
|
|
SkAssertResult(m.invert(&inv));
|
|
|
|
return inv.mapXY(x, y);
|
|
}
|
|
|
|
bool Viewer::onTouch(intptr_t owner, Window::InputState state, float x, float y) {
|
|
if (GestureDevice::kMouse == fGestureDevice) {
|
|
return false;
|
|
}
|
|
|
|
const auto slidePt = this->mapEvent(x, y);
|
|
if (fSlides[fCurrentSlide]->onMouse(slidePt.x(), slidePt.y(), state, 0)) {
|
|
fWindow->inval();
|
|
return true;
|
|
}
|
|
|
|
void* castedOwner = reinterpret_cast<void*>(owner);
|
|
switch (state) {
|
|
case Window::kUp_InputState: {
|
|
fGesture.touchEnd(castedOwner);
|
|
break;
|
|
}
|
|
case Window::kDown_InputState: {
|
|
fGesture.touchBegin(castedOwner, x, y);
|
|
break;
|
|
}
|
|
case Window::kMove_InputState: {
|
|
fGesture.touchMoved(castedOwner, x, y);
|
|
break;
|
|
}
|
|
}
|
|
fGestureDevice = fGesture.isBeingTouched() ? GestureDevice::kTouch : GestureDevice::kNone;
|
|
fWindow->inval();
|
|
return true;
|
|
}
|
|
|
|
bool Viewer::onMouse(int x, int y, Window::InputState state, uint32_t modifiers) {
|
|
if (GestureDevice::kTouch == fGestureDevice) {
|
|
return false;
|
|
}
|
|
|
|
const auto slidePt = this->mapEvent(x, y);
|
|
if (fSlides[fCurrentSlide]->onMouse(slidePt.x(), slidePt.y(), state, modifiers)) {
|
|
fWindow->inval();
|
|
return true;
|
|
}
|
|
|
|
switch (state) {
|
|
case Window::kUp_InputState: {
|
|
fGesture.touchEnd(nullptr);
|
|
break;
|
|
}
|
|
case Window::kDown_InputState: {
|
|
fGesture.touchBegin(nullptr, x, y);
|
|
break;
|
|
}
|
|
case Window::kMove_InputState: {
|
|
fGesture.touchMoved(nullptr, x, y);
|
|
break;
|
|
}
|
|
}
|
|
fGestureDevice = fGesture.isBeingTouched() ? GestureDevice::kMouse : GestureDevice::kNone;
|
|
|
|
if (state != Window::kMove_InputState || fGesture.isBeingTouched()) {
|
|
fWindow->inval();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static ImVec2 ImGui_DragPrimary(const char* label, float* x, float* y,
|
|
const ImVec2& pos, const ImVec2& size) {
|
|
// Transform primaries ([0, 0] - [0.8, 0.9]) to screen coords (including Y-flip)
|
|
ImVec2 center(pos.x + (*x / 0.8f) * size.x, pos.y + (1.0f - (*y / 0.9f)) * size.y);
|
|
|
|
// Invisible 10x10 button
|
|
ImGui::SetCursorScreenPos(ImVec2(center.x - 5, center.y - 5));
|
|
ImGui::InvisibleButton(label, ImVec2(10, 10));
|
|
|
|
if (ImGui::IsItemActive() && ImGui::IsMouseDragging()) {
|
|
ImGuiIO& io = ImGui::GetIO();
|
|
// Normalized mouse position, relative to our gamut box
|
|
ImVec2 mousePosXY((io.MousePos.x - pos.x) / size.x, (io.MousePos.y - pos.y) / size.y);
|
|
// Clamp to edge of box, convert back to primary scale
|
|
*x = SkTPin(mousePosXY.x, 0.0f, 1.0f) * 0.8f;
|
|
*y = SkTPin(1 - mousePosXY.y, 0.0f, 1.0f) * 0.9f;
|
|
}
|
|
|
|
if (ImGui::IsItemHovered()) {
|
|
ImGui::SetTooltip("x: %.3f\ny: %.3f", *x, *y);
|
|
}
|
|
|
|
// Return screen coordinates for the caller. We could just return center here, but we'd have
|
|
// one frame of lag during drag.
|
|
return ImVec2(pos.x + (*x / 0.8f) * size.x, pos.y + (1.0f - (*y / 0.9f)) * size.y);
|
|
}
|
|
|
|
static void ImGui_Primaries(SkColorSpacePrimaries* primaries, SkPaint* gamutPaint) {
|
|
ImDrawList* drawList = ImGui::GetWindowDrawList();
|
|
|
|
// The gamut image covers a (0.8 x 0.9) shaped region, so fit our image/canvas to the available
|
|
// width, and scale the height to maintain aspect ratio.
|
|
float canvasWidth = SkTMax(ImGui::GetContentRegionAvailWidth(), 50.0f);
|
|
ImVec2 size = ImVec2(canvasWidth, canvasWidth * (0.9f / 0.8f));
|
|
ImVec2 pos = ImGui::GetCursorScreenPos();
|
|
|
|
// Background image. Only draw a subset of the image, to avoid the regions less than zero.
|
|
// Simplifes re-mapping math, clipping behavior, and increases resolution in the useful area.
|
|
// Magic numbers are pixel locations of the origin and upper-right corner.
|
|
drawList->AddImage(gamutPaint, pos, ImVec2(pos.x + size.x, pos.y + size.y),
|
|
ImVec2(242, 61), ImVec2(1897, 1922));
|
|
|
|
// Primary markers
|
|
ImVec2 r = ImGui_DragPrimary("R", &primaries->fRX, &primaries->fRY, pos, size);
|
|
ImVec2 g = ImGui_DragPrimary("G", &primaries->fGX, &primaries->fGY, pos, size);
|
|
ImVec2 b = ImGui_DragPrimary("B", &primaries->fBX, &primaries->fBY, pos, size);
|
|
ImVec2 w = ImGui_DragPrimary("W", &primaries->fWX, &primaries->fWY, pos, size);
|
|
|
|
// Gamut triangle
|
|
drawList->AddCircle(r, 5.0f, 0xFF000040);
|
|
drawList->AddCircle(g, 5.0f, 0xFF004000);
|
|
drawList->AddCircle(b, 5.0f, 0xFF400000);
|
|
drawList->AddCircle(w, 5.0f, 0xFFFFFFFF);
|
|
drawList->AddTriangle(r, g, b, 0xFFFFFFFF);
|
|
|
|
// Re-position cursor immediate after the diagram for subsequent controls
|
|
ImGui::SetCursorScreenPos(ImVec2(pos.x, pos.y + size.y));
|
|
}
|
|
|
|
static ImVec2 ImGui_DragPoint(const char* label, SkPoint* p,
|
|
const ImVec2& pos, const ImVec2& size, bool* dragging) {
|
|
// Transform points ([0, 0] - [1.0, 1.0]) to screen coords
|
|
ImVec2 center(pos.x + p->fX * size.x, pos.y + p->fY * size.y);
|
|
|
|
// Invisible 10x10 button
|
|
ImGui::SetCursorScreenPos(ImVec2(center.x - 5, center.y - 5));
|
|
ImGui::InvisibleButton(label, ImVec2(10, 10));
|
|
|
|
if (ImGui::IsItemActive() && ImGui::IsMouseDragging()) {
|
|
ImGuiIO& io = ImGui::GetIO();
|
|
// Normalized mouse position, relative to our gamut box
|
|
ImVec2 mousePosXY((io.MousePos.x - pos.x) / size.x, (io.MousePos.y - pos.y) / size.y);
|
|
// Clamp to edge of box
|
|
p->fX = SkTPin(mousePosXY.x, 0.0f, 1.0f);
|
|
p->fY = SkTPin(mousePosXY.y, 0.0f, 1.0f);
|
|
*dragging = true;
|
|
}
|
|
|
|
// Return screen coordinates for the caller. We could just return center here, but we'd have
|
|
// one frame of lag during drag.
|
|
return ImVec2(pos.x + p->fX * size.x, pos.y + p->fY * size.y);
|
|
}
|
|
|
|
static bool ImGui_DragQuad(SkPoint* pts) {
|
|
ImDrawList* drawList = ImGui::GetWindowDrawList();
|
|
|
|
// Fit our image/canvas to the available width, and scale the height to maintain aspect ratio.
|
|
float canvasWidth = SkTMax(ImGui::GetContentRegionAvailWidth(), 50.0f);
|
|
ImVec2 size = ImVec2(canvasWidth, canvasWidth);
|
|
ImVec2 pos = ImGui::GetCursorScreenPos();
|
|
|
|
// Background rectangle
|
|
drawList->AddRectFilled(pos, ImVec2(pos.x + size.x, pos.y + size.y), IM_COL32(0, 0, 0, 128));
|
|
|
|
// Corner markers
|
|
bool dragging = false;
|
|
ImVec2 tl = ImGui_DragPoint("TL", pts + 0, pos, size, &dragging);
|
|
ImVec2 tr = ImGui_DragPoint("TR", pts + 1, pos, size, &dragging);
|
|
ImVec2 bl = ImGui_DragPoint("BL", pts + 2, pos, size, &dragging);
|
|
ImVec2 br = ImGui_DragPoint("BR", pts + 3, pos, size, &dragging);
|
|
|
|
// Draw markers and quad
|
|
drawList->AddCircle(tl, 5.0f, 0xFFFFFFFF);
|
|
drawList->AddCircle(tr, 5.0f, 0xFFFFFFFF);
|
|
drawList->AddCircle(bl, 5.0f, 0xFFFFFFFF);
|
|
drawList->AddCircle(br, 5.0f, 0xFFFFFFFF);
|
|
drawList->AddLine(tl, tr, 0xFFFFFFFF);
|
|
drawList->AddLine(tr, br, 0xFFFFFFFF);
|
|
drawList->AddLine(br, bl, 0xFFFFFFFF);
|
|
drawList->AddLine(bl, tl, 0xFFFFFFFF);
|
|
|
|
ImGui::SetCursorScreenPos(ImVec2(pos.x, pos.y + size.y));
|
|
ImGui::Spacing();
|
|
|
|
return dragging;
|
|
}
|
|
|
|
void Viewer::drawImGui() {
|
|
// Support drawing the ImGui demo window. Superfluous, but gives a good idea of what's possible
|
|
if (fShowImGuiTestWindow) {
|
|
ImGui::ShowTestWindow(&fShowImGuiTestWindow);
|
|
}
|
|
|
|
if (fShowImGuiDebugWindow) {
|
|
// We have some dynamic content that sizes to fill available size. If the scroll bar isn't
|
|
// always visible, we can end up in a layout feedback loop.
|
|
ImGui::SetNextWindowSize(ImVec2(400, 400), ImGuiSetCond_FirstUseEver);
|
|
DisplayParams params = fWindow->getRequestedDisplayParams();
|
|
bool paramsChanged = false;
|
|
if (ImGui::Begin("Tools", &fShowImGuiDebugWindow,
|
|
ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
|
|
if (ImGui::CollapsingHeader("Backend")) {
|
|
int newBackend = static_cast<int>(fBackendType);
|
|
ImGui::RadioButton("Raster", &newBackend, sk_app::Window::kRaster_BackendType);
|
|
ImGui::SameLine();
|
|
ImGui::RadioButton("OpenGL", &newBackend, sk_app::Window::kNativeGL_BackendType);
|
|
#if SK_ANGLE && defined(SK_BUILD_FOR_WIN)
|
|
ImGui::SameLine();
|
|
ImGui::RadioButton("ANGLE", &newBackend, sk_app::Window::kANGLE_BackendType);
|
|
#endif
|
|
#if defined(SK_VULKAN)
|
|
ImGui::SameLine();
|
|
ImGui::RadioButton("Vulkan", &newBackend, sk_app::Window::kVulkan_BackendType);
|
|
#endif
|
|
if (newBackend != fBackendType) {
|
|
fDeferredActions.push_back([=]() {
|
|
this->setBackend(static_cast<sk_app::Window::BackendType>(newBackend));
|
|
});
|
|
}
|
|
|
|
const GrContext* ctx = fWindow->getGrContext();
|
|
bool* wire = ¶ms.fGrContextOptions.fWireframeMode;
|
|
if (ctx && ImGui::Checkbox("Wireframe Mode", wire)) {
|
|
paramsChanged = true;
|
|
}
|
|
|
|
if (ctx) {
|
|
int sampleCount = fWindow->sampleCount();
|
|
ImGui::Text("MSAA: "); ImGui::SameLine();
|
|
ImGui::RadioButton("1", &sampleCount, 1); ImGui::SameLine();
|
|
ImGui::RadioButton("4", &sampleCount, 4); ImGui::SameLine();
|
|
ImGui::RadioButton("8", &sampleCount, 8); ImGui::SameLine();
|
|
ImGui::RadioButton("16", &sampleCount, 16);
|
|
|
|
if (sampleCount != params.fMSAASampleCount) {
|
|
params.fMSAASampleCount = sampleCount;
|
|
paramsChanged = true;
|
|
}
|
|
}
|
|
|
|
int pixelGeometryIdx = 0;
|
|
if (fPixelGeometryOverrides) {
|
|
pixelGeometryIdx = params.fSurfaceProps.pixelGeometry() + 1;
|
|
}
|
|
if (ImGui::Combo("Pixel Geometry", &pixelGeometryIdx,
|
|
"Default\0Flat\0RGB\0BGR\0RGBV\0BGRV\0\0"))
|
|
{
|
|
uint32_t flags = params.fSurfaceProps.flags();
|
|
if (pixelGeometryIdx == 0) {
|
|
fPixelGeometryOverrides = false;
|
|
params.fSurfaceProps = SkSurfaceProps(flags, SkSurfaceProps::kLegacyFontHost_InitType);
|
|
} else {
|
|
fPixelGeometryOverrides = true;
|
|
SkPixelGeometry pixelGeometry = SkTo<SkPixelGeometry>(pixelGeometryIdx - 1);
|
|
params.fSurfaceProps = SkSurfaceProps(flags, pixelGeometry);
|
|
}
|
|
paramsChanged = true;
|
|
}
|
|
|
|
bool useDFT = params.fSurfaceProps.isUseDeviceIndependentFonts();
|
|
if (ImGui::Checkbox("DFT", &useDFT)) {
|
|
uint32_t flags = params.fSurfaceProps.flags();
|
|
if (useDFT) {
|
|
flags |= SkSurfaceProps::kUseDeviceIndependentFonts_Flag;
|
|
} else {
|
|
flags &= ~SkSurfaceProps::kUseDeviceIndependentFonts_Flag;
|
|
}
|
|
SkPixelGeometry pixelGeometry = params.fSurfaceProps.pixelGeometry();
|
|
params.fSurfaceProps = SkSurfaceProps(flags, pixelGeometry);
|
|
paramsChanged = true;
|
|
}
|
|
|
|
if (ImGui::TreeNode("Path Renderers")) {
|
|
GpuPathRenderers prevPr = params.fGrContextOptions.fGpuPathRenderers;
|
|
auto prButton = [&](GpuPathRenderers x) {
|
|
if (ImGui::RadioButton(gPathRendererNames[x].c_str(), prevPr == x)) {
|
|
if (x != params.fGrContextOptions.fGpuPathRenderers) {
|
|
params.fGrContextOptions.fGpuPathRenderers = x;
|
|
paramsChanged = true;
|
|
}
|
|
}
|
|
};
|
|
|
|
if (!ctx) {
|
|
ImGui::RadioButton("Software", true);
|
|
} else if (fWindow->sampleCount() > 1) {
|
|
prButton(GpuPathRenderers::kDefault);
|
|
prButton(GpuPathRenderers::kAll);
|
|
if (ctx->caps()->shaderCaps()->pathRenderingSupport()) {
|
|
prButton(GpuPathRenderers::kStencilAndCover);
|
|
}
|
|
prButton(GpuPathRenderers::kTessellating);
|
|
prButton(GpuPathRenderers::kNone);
|
|
} else {
|
|
prButton(GpuPathRenderers::kDefault);
|
|
prButton(GpuPathRenderers::kAll);
|
|
if (GrCoverageCountingPathRenderer::IsSupported(*ctx->caps())) {
|
|
prButton(GpuPathRenderers::kCoverageCounting);
|
|
}
|
|
prButton(GpuPathRenderers::kSmall);
|
|
prButton(GpuPathRenderers::kTessellating);
|
|
prButton(GpuPathRenderers::kNone);
|
|
}
|
|
ImGui::TreePop();
|
|
}
|
|
}
|
|
|
|
if (ImGui::CollapsingHeader("Transform")) {
|
|
float zoom = fZoomLevel;
|
|
if (ImGui::SliderFloat("Zoom", &zoom, MIN_ZOOM_LEVEL, MAX_ZOOM_LEVEL)) {
|
|
fZoomLevel = zoom;
|
|
this->preTouchMatrixChanged();
|
|
paramsChanged = true;
|
|
}
|
|
float deg = fRotation;
|
|
if (ImGui::SliderFloat("Rotate", °, -30, 360, "%.0f deg")) {
|
|
fRotation = deg;
|
|
this->preTouchMatrixChanged();
|
|
paramsChanged = true;
|
|
}
|
|
int perspectiveMode = static_cast<int>(fPerspectiveMode);
|
|
if (ImGui::Combo("Perspective", &perspectiveMode, "Off\0Real\0Fake\0\0")) {
|
|
fPerspectiveMode = static_cast<PerspectiveMode>(perspectiveMode);
|
|
this->preTouchMatrixChanged();
|
|
this->updateTitle();
|
|
}
|
|
if (ImGui_DragQuad(fPerspectivePoints)) {
|
|
this->preTouchMatrixChanged();
|
|
}
|
|
}
|
|
|
|
if (ImGui::CollapsingHeader("Paint")) {
|
|
int hintingIdx = 0;
|
|
if (fPaintOverrides.fHinting) {
|
|
hintingIdx = fPaint.getHinting() + 1;
|
|
}
|
|
if (ImGui::Combo("Hinting", &hintingIdx,
|
|
"Default\0None\0Slight\0Normal\0Full\0\0"))
|
|
{
|
|
if (hintingIdx == 0) {
|
|
fPaintOverrides.fHinting = false;
|
|
fPaint.setHinting(SkPaint::kNo_Hinting);
|
|
} else {
|
|
fPaintOverrides.fHinting = true;
|
|
SkPaint::Hinting hinting = SkTo<SkPaint::Hinting>(hintingIdx - 1);
|
|
fPaint.setHinting(hinting);
|
|
}
|
|
paramsChanged = true;
|
|
}
|
|
|
|
int aliasIdx = 0;
|
|
if (fPaintOverrides.fFlags & SkPaint::kAntiAlias_Flag) {
|
|
aliasIdx = SkTo<int>(fPaintOverrides.fAntiAlias) + 1;
|
|
}
|
|
if (ImGui::Combo("Anti-Alias", &aliasIdx,
|
|
"Default\0Alias\0Normal\0AnalyticAAEnabled\0AnalyticAAForced\0"
|
|
"DeltaAAEnabled\0DeltaAAForced\0\0"))
|
|
{
|
|
gSkUseAnalyticAA = fPaintOverrides.fOriginalSkUseAnalyticAA;
|
|
gSkForceAnalyticAA = fPaintOverrides.fOriginalSkForceAnalyticAA;
|
|
gSkUseDeltaAA = fPaintOverrides.fOriginalSkUseDeltaAA;
|
|
gSkForceDeltaAA = fPaintOverrides.fOriginalSkForceDeltaAA;
|
|
if (aliasIdx == 0) {
|
|
fPaintOverrides.fAntiAlias = SkPaintFields::AntiAliasState::Alias;
|
|
fPaintOverrides.fFlags &= ~SkPaint::kAntiAlias_Flag;
|
|
} else {
|
|
fPaintOverrides.fFlags |= SkPaint::kAntiAlias_Flag;
|
|
fPaintOverrides.fAntiAlias =SkTo<SkPaintFields::AntiAliasState>(aliasIdx-1);
|
|
fPaint.setAntiAlias(aliasIdx > 1);
|
|
switch (fPaintOverrides.fAntiAlias) {
|
|
case SkPaintFields::AntiAliasState::Alias:
|
|
break;
|
|
case SkPaintFields::AntiAliasState::Normal:
|
|
break;
|
|
case SkPaintFields::AntiAliasState::AnalyticAAEnabled:
|
|
gSkUseAnalyticAA = true;
|
|
gSkForceAnalyticAA = false;
|
|
gSkUseDeltaAA = gSkForceDeltaAA = false;
|
|
break;
|
|
case SkPaintFields::AntiAliasState::AnalyticAAForced:
|
|
gSkUseAnalyticAA = gSkForceAnalyticAA = true;
|
|
gSkUseDeltaAA = gSkForceDeltaAA = false;
|
|
break;
|
|
case SkPaintFields::AntiAliasState::DeltaAAEnabled:
|
|
gSkUseAnalyticAA = gSkForceAnalyticAA = false;
|
|
gSkUseDeltaAA = true;
|
|
gSkForceDeltaAA = false;
|
|
break;
|
|
case SkPaintFields::AntiAliasState::DeltaAAForced:
|
|
gSkUseAnalyticAA = gSkForceAnalyticAA = false;
|
|
gSkUseDeltaAA = gSkForceDeltaAA = true;
|
|
break;
|
|
}
|
|
}
|
|
paramsChanged = true;
|
|
}
|
|
|
|
int subpixelAAIdx = 0;
|
|
if (fPaintOverrides.fFlags & SkPaint::kLCDRenderText_Flag) {
|
|
subpixelAAIdx = fPaint.isLCDRenderText() ? 2 : 1;
|
|
}
|
|
if (ImGui::Combo("Subpixel Anti-Alias", &subpixelAAIdx,
|
|
"Default\0lcd\0LCD\0\0"))
|
|
{
|
|
if (subpixelAAIdx == 0) {
|
|
fPaintOverrides.fFlags &= ~SkPaint::kLCDRenderText_Flag;
|
|
} else {
|
|
fPaintOverrides.fFlags |= SkPaint::kLCDRenderText_Flag;
|
|
fPaint.setLCDRenderText(subpixelAAIdx == 2);
|
|
}
|
|
paramsChanged = true;
|
|
}
|
|
|
|
int subpixelPositionIdx = 0;
|
|
if (fPaintOverrides.fFlags & SkPaint::kSubpixelText_Flag) {
|
|
subpixelPositionIdx = fPaint.isSubpixelText() ? 2 : 1;
|
|
}
|
|
if (ImGui::Combo("Subpixel Position Glyphs", &subpixelPositionIdx,
|
|
"Default\0Pixel Glyphs\0Subpixel Glyphs\0\0"))
|
|
{
|
|
if (subpixelPositionIdx == 0) {
|
|
fPaintOverrides.fFlags &= ~SkPaint::kSubpixelText_Flag;
|
|
} else {
|
|
fPaintOverrides.fFlags |= SkPaint::kSubpixelText_Flag;
|
|
fPaint.setSubpixelText(subpixelPositionIdx == 2);
|
|
}
|
|
paramsChanged = true;
|
|
}
|
|
}
|
|
|
|
if (fShowSlidePicker) {
|
|
ImGui::SetNextTreeNodeOpen(true);
|
|
}
|
|
if (ImGui::CollapsingHeader("Slide")) {
|
|
static ImGuiTextFilter filter;
|
|
static ImVector<const char*> filteredSlideNames;
|
|
static ImVector<int> filteredSlideIndices;
|
|
|
|
if (fShowSlidePicker) {
|
|
ImGui::SetKeyboardFocusHere();
|
|
fShowSlidePicker = false;
|
|
}
|
|
|
|
filter.Draw();
|
|
filteredSlideNames.clear();
|
|
filteredSlideIndices.clear();
|
|
int filteredIndex = 0;
|
|
for (int i = 0; i < fSlides.count(); ++i) {
|
|
const char* slideName = fSlides[i]->getName().c_str();
|
|
if (filter.PassFilter(slideName) || i == fCurrentSlide) {
|
|
if (i == fCurrentSlide) {
|
|
filteredIndex = filteredSlideIndices.size();
|
|
}
|
|
filteredSlideNames.push_back(slideName);
|
|
filteredSlideIndices.push_back(i);
|
|
}
|
|
}
|
|
|
|
if (ImGui::ListBox("", &filteredIndex, filteredSlideNames.begin(),
|
|
filteredSlideNames.size(), 20)) {
|
|
this->setCurrentSlide(filteredSlideIndices[filteredIndex]);
|
|
}
|
|
}
|
|
|
|
if (ImGui::CollapsingHeader("Color Mode")) {
|
|
ColorMode newMode = fColorMode;
|
|
auto cmButton = [&](ColorMode mode, const char* label) {
|
|
if (ImGui::RadioButton(label, mode == fColorMode)) {
|
|
newMode = mode;
|
|
}
|
|
};
|
|
|
|
cmButton(ColorMode::kLegacy, "Legacy 8888");
|
|
cmButton(ColorMode::kColorManagedSRGB8888_NonLinearBlending,
|
|
"Color Managed 8888 (Nonlinear blending)");
|
|
cmButton(ColorMode::kColorManagedSRGB8888, "Color Managed 8888");
|
|
cmButton(ColorMode::kColorManagedLinearF16, "Color Managed F16");
|
|
|
|
if (newMode != fColorMode) {
|
|
// It isn't safe to switch color mode now (in the middle of painting). We might
|
|
// tear down the back-end, etc... Defer this change until the next onIdle.
|
|
fDeferredActions.push_back([=]() {
|
|
this->setColorMode(newMode);
|
|
});
|
|
}
|
|
|
|
// Pick from common gamuts:
|
|
int primariesIdx = 4; // Default: Custom
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(gNamedPrimaries); ++i) {
|
|
if (primaries_equal(*gNamedPrimaries[i].fPrimaries, fColorSpacePrimaries)) {
|
|
primariesIdx = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// When we're in xform canvas mode, we can alter the transfer function, too
|
|
if (ColorMode::kColorManagedSRGB8888_NonLinearBlending == fColorMode) {
|
|
ImGui::SliderFloat("Gamma", &fColorSpaceTransferFn.fG, 0.5f, 3.5f);
|
|
}
|
|
|
|
if (ImGui::Combo("Primaries", &primariesIdx,
|
|
"sRGB\0AdobeRGB\0P3\0Rec. 2020\0Custom\0\0")) {
|
|
if (primariesIdx >= 0 && primariesIdx <= 3) {
|
|
fColorSpacePrimaries = *gNamedPrimaries[primariesIdx].fPrimaries;
|
|
}
|
|
}
|
|
|
|
// Allow direct editing of gamut
|
|
ImGui_Primaries(&fColorSpacePrimaries, &fImGuiGamutPaint);
|
|
}
|
|
}
|
|
if (paramsChanged) {
|
|
fDeferredActions.push_back([=]() {
|
|
fWindow->setRequestedDisplayParams(params);
|
|
fWindow->inval();
|
|
this->updateTitle();
|
|
});
|
|
}
|
|
ImGui::End();
|
|
}
|
|
|
|
if (fShowZoomWindow && fLastImage) {
|
|
if (ImGui::Begin("Zoom", &fShowZoomWindow, ImVec2(200, 200))) {
|
|
static int zoomFactor = 8;
|
|
if (ImGui::Button("<<")) {
|
|
zoomFactor = SkTMax(zoomFactor / 2, 4);
|
|
}
|
|
ImGui::SameLine(); ImGui::Text("%2d", zoomFactor); ImGui::SameLine();
|
|
if (ImGui::Button(">>")) {
|
|
zoomFactor = SkTMin(zoomFactor * 2, 32);
|
|
}
|
|
|
|
ImVec2 mousePos = ImGui::GetMousePos();
|
|
ImVec2 avail = ImGui::GetContentRegionAvail();
|
|
|
|
uint32_t pixel = 0;
|
|
SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
|
|
if (fLastImage->readPixels(info, &pixel, info.minRowBytes(), mousePos.x, mousePos.y)) {
|
|
ImGui::SameLine();
|
|
ImGui::Text("(X, Y): %d, %d RGBA: %x %x %x %x",
|
|
sk_float_round2int(mousePos.x), sk_float_round2int(mousePos.y),
|
|
SkGetPackedR32(pixel), SkGetPackedG32(pixel),
|
|
SkGetPackedB32(pixel), SkGetPackedA32(pixel));
|
|
}
|
|
|
|
fImGuiLayer.skiaWidget(avail, [=](SkCanvas* c) {
|
|
// Translate so the region of the image that's under the mouse cursor is centered
|
|
// in the zoom canvas:
|
|
c->scale(zoomFactor, zoomFactor);
|
|
c->translate(avail.x * 0.5f / zoomFactor - mousePos.x - 0.5f,
|
|
avail.y * 0.5f / zoomFactor - mousePos.y - 0.5f);
|
|
c->drawImage(this->fLastImage, 0, 0);
|
|
|
|
SkPaint outline;
|
|
outline.setStyle(SkPaint::kStroke_Style);
|
|
c->drawRect(SkRect::MakeXYWH(mousePos.x, mousePos.y, 1, 1), outline);
|
|
});
|
|
}
|
|
|
|
ImGui::End();
|
|
}
|
|
}
|
|
|
|
void Viewer::onIdle() {
|
|
for (int i = 0; i < fDeferredActions.count(); ++i) {
|
|
fDeferredActions[i]();
|
|
}
|
|
fDeferredActions.reset();
|
|
|
|
fStatsLayer.beginTiming(fAnimateTimer);
|
|
fAnimTimer.updateTime();
|
|
bool animateWantsInval = fSlides[fCurrentSlide]->animate(fAnimTimer);
|
|
fStatsLayer.endTiming(fAnimateTimer);
|
|
|
|
ImGuiIO& io = ImGui::GetIO();
|
|
if (animateWantsInval || fStatsLayer.getActive() || fRefresh || io.MetricsActiveWindows) {
|
|
fWindow->inval();
|
|
}
|
|
}
|
|
|
|
void Viewer::updateUIState() {
|
|
if (!fWindow) {
|
|
return;
|
|
}
|
|
if (fWindow->sampleCount() < 1) {
|
|
return; // Surface hasn't been created yet.
|
|
}
|
|
|
|
// Slide state
|
|
Json::Value slideState(Json::objectValue);
|
|
slideState[kName] = kSlideStateName;
|
|
slideState[kValue] = fSlides[fCurrentSlide]->getName().c_str();
|
|
if (fAllSlideNames.size() == 0) {
|
|
for(auto slide : fSlides) {
|
|
fAllSlideNames.append(Json::Value(slide->getName().c_str()));
|
|
}
|
|
}
|
|
slideState[kOptions] = fAllSlideNames;
|
|
|
|
// Backend state
|
|
Json::Value backendState(Json::objectValue);
|
|
backendState[kName] = kBackendStateName;
|
|
backendState[kValue] = kBackendTypeStrings[fBackendType];
|
|
backendState[kOptions] = Json::Value(Json::arrayValue);
|
|
for (auto str : kBackendTypeStrings) {
|
|
backendState[kOptions].append(Json::Value(str));
|
|
}
|
|
|
|
// MSAA state
|
|
Json::Value msaaState(Json::objectValue);
|
|
msaaState[kName] = kMSAAStateName;
|
|
msaaState[kValue] = fWindow->sampleCount();
|
|
msaaState[kOptions] = Json::Value(Json::arrayValue);
|
|
if (sk_app::Window::kRaster_BackendType == fBackendType) {
|
|
msaaState[kOptions].append(Json::Value(0));
|
|
} else {
|
|
for (int msaa : {0, 4, 8, 16}) {
|
|
msaaState[kOptions].append(Json::Value(msaa));
|
|
}
|
|
}
|
|
|
|
// Path renderer state
|
|
GpuPathRenderers pr = fWindow->getRequestedDisplayParams().fGrContextOptions.fGpuPathRenderers;
|
|
Json::Value prState(Json::objectValue);
|
|
prState[kName] = kPathRendererStateName;
|
|
prState[kValue] = gPathRendererNames[pr];
|
|
prState[kOptions] = Json::Value(Json::arrayValue);
|
|
const GrContext* ctx = fWindow->getGrContext();
|
|
if (!ctx) {
|
|
prState[kOptions].append("Software");
|
|
} else if (fWindow->sampleCount() > 1) {
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kDefault]);
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kAll]);
|
|
if (ctx->caps()->shaderCaps()->pathRenderingSupport()) {
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kStencilAndCover]);
|
|
}
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kTessellating]);
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kNone]);
|
|
} else {
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kDefault]);
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kAll]);
|
|
if (GrCoverageCountingPathRenderer::IsSupported(*ctx->caps())) {
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kCoverageCounting]);
|
|
}
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kSmall]);
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kTessellating]);
|
|
prState[kOptions].append(gPathRendererNames[GpuPathRenderers::kNone]);
|
|
}
|
|
|
|
// Softkey state
|
|
Json::Value softkeyState(Json::objectValue);
|
|
softkeyState[kName] = kSoftkeyStateName;
|
|
softkeyState[kValue] = kSoftkeyHint;
|
|
softkeyState[kOptions] = Json::Value(Json::arrayValue);
|
|
softkeyState[kOptions].append(kSoftkeyHint);
|
|
for (const auto& softkey : fCommands.getCommandsAsSoftkeys()) {
|
|
softkeyState[kOptions].append(Json::Value(softkey.c_str()));
|
|
}
|
|
|
|
// FPS state
|
|
Json::Value fpsState(Json::objectValue);
|
|
fpsState[kName] = kFpsStateName;
|
|
double animTime = fStatsLayer.getLastTime(fAnimateTimer);
|
|
double paintTime = fStatsLayer.getLastTime(fPaintTimer);
|
|
double flushTime = fStatsLayer.getLastTime(fFlushTimer);
|
|
fpsState[kValue] = SkStringPrintf("%8.3lf ms\n\nA %8.3lf\nP %8.3lf\nF%8.3lf",
|
|
animTime + paintTime + flushTime,
|
|
animTime, paintTime, flushTime).c_str();
|
|
fpsState[kOptions] = Json::Value(Json::arrayValue);
|
|
|
|
Json::Value state(Json::arrayValue);
|
|
state.append(slideState);
|
|
state.append(backendState);
|
|
state.append(msaaState);
|
|
state.append(prState);
|
|
state.append(softkeyState);
|
|
state.append(fpsState);
|
|
|
|
fWindow->setUIState(state.toStyledString().c_str());
|
|
}
|
|
|
|
void Viewer::onUIStateChanged(const SkString& stateName, const SkString& stateValue) {
|
|
// For those who will add more features to handle the state change in this function:
|
|
// After the change, please call updateUIState no notify the frontend (e.g., Android app).
|
|
// For example, after slide change, updateUIState is called inside setupCurrentSlide;
|
|
// after backend change, updateUIState is called in this function.
|
|
if (stateName.equals(kSlideStateName)) {
|
|
for (int i = 0; i < fSlides.count(); ++i) {
|
|
if (fSlides[i]->getName().equals(stateValue)) {
|
|
this->setCurrentSlide(i);
|
|
return;
|
|
}
|
|
}
|
|
|
|
SkDebugf("Slide not found: %s", stateValue.c_str());
|
|
} else if (stateName.equals(kBackendStateName)) {
|
|
for (int i = 0; i < sk_app::Window::kBackendTypeCount; i++) {
|
|
if (stateValue.equals(kBackendTypeStrings[i])) {
|
|
if (fBackendType != i) {
|
|
fBackendType = (sk_app::Window::BackendType)i;
|
|
fWindow->detach();
|
|
fWindow->attach(backend_type_for_window(fBackendType));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else if (stateName.equals(kMSAAStateName)) {
|
|
DisplayParams params = fWindow->getRequestedDisplayParams();
|
|
int sampleCount = atoi(stateValue.c_str());
|
|
if (sampleCount != params.fMSAASampleCount) {
|
|
params.fMSAASampleCount = sampleCount;
|
|
fWindow->setRequestedDisplayParams(params);
|
|
fWindow->inval();
|
|
this->updateTitle();
|
|
this->updateUIState();
|
|
}
|
|
} else if (stateName.equals(kPathRendererStateName)) {
|
|
DisplayParams params = fWindow->getRequestedDisplayParams();
|
|
for (const auto& pair : gPathRendererNames) {
|
|
if (pair.second == stateValue.c_str()) {
|
|
if (params.fGrContextOptions.fGpuPathRenderers != pair.first) {
|
|
params.fGrContextOptions.fGpuPathRenderers = pair.first;
|
|
fWindow->setRequestedDisplayParams(params);
|
|
fWindow->inval();
|
|
this->updateTitle();
|
|
this->updateUIState();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else if (stateName.equals(kSoftkeyStateName)) {
|
|
if (!stateValue.equals(kSoftkeyHint)) {
|
|
fCommands.onSoftkey(stateValue);
|
|
this->updateUIState(); // This is still needed to reset the value to kSoftkeyHint
|
|
}
|
|
} else if (stateName.equals(kRefreshStateName)) {
|
|
// This state is actually NOT in the UI state.
|
|
// We use this to allow Android to quickly set bool fRefresh.
|
|
fRefresh = stateValue.equals(kON);
|
|
} else {
|
|
SkDebugf("Unknown stateName: %s", stateName.c_str());
|
|
}
|
|
}
|
|
|
|
bool Viewer::onKey(sk_app::Window::Key key, sk_app::Window::InputState state, uint32_t modifiers) {
|
|
return fCommands.onKey(key, state, modifiers);
|
|
}
|
|
|
|
bool Viewer::onChar(SkUnichar c, uint32_t modifiers) {
|
|
if (fSlides[fCurrentSlide]->onChar(c)) {
|
|
fWindow->inval();
|
|
return true;
|
|
} else {
|
|
return fCommands.onChar(c, modifiers);
|
|
}
|
|
}
|