7571f9e490
Mechanically updated via Xcode "Replace Regular Expression":
typedef (.*) INHERITED;
-->
using INHERITED = $1;
The ClangTidy approach generated an even larger CL which would have
required a significant amount of hand-tweaking to be usable.
Change-Id: I671dc9d9efdf6d60151325c8d4d13fad7e10a15b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/314999
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
105 lines
3.2 KiB
C++
105 lines
3.2 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 "include/core/SkSurface.h"
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#include "tools/sk_app/RasterWindowContext.h"
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#include "tools/sk_app/unix/WindowContextFactory_unix.h"
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using sk_app::RasterWindowContext;
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using sk_app::DisplayParams;
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namespace {
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class RasterWindowContext_xlib : public RasterWindowContext {
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public:
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RasterWindowContext_xlib(Display*, XWindow, int width, int height, const DisplayParams&);
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sk_sp<SkSurface> getBackbufferSurface() override;
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void swapBuffers() override;
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bool isValid() override { return SkToBool(fWindow); }
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void resize(int w, int h) override;
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void setDisplayParams(const DisplayParams& params) override;
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protected:
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sk_sp<SkSurface> fBackbufferSurface;
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Display* fDisplay;
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XWindow fWindow;
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GC fGC;
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using INHERITED = RasterWindowContext;
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};
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RasterWindowContext_xlib::RasterWindowContext_xlib(Display* display, XWindow window, int width,
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int height, const DisplayParams& params)
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: INHERITED(params)
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, fDisplay(display)
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, fWindow(window) {
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fGC = XCreateGC(fDisplay, fWindow, 0, nullptr);
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this->resize(width, height);
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fWidth = width;
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fHeight = height;
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}
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void RasterWindowContext_xlib::setDisplayParams(const DisplayParams& params) {
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fDisplayParams = params;
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XWindowAttributes attrs;
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XGetWindowAttributes(fDisplay, fWindow, &attrs);
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this->resize(attrs.width, attrs.height);
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}
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void RasterWindowContext_xlib::resize(int w, int h) {
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SkImageInfo info = SkImageInfo::Make(w, h, fDisplayParams.fColorType, kPremul_SkAlphaType,
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fDisplayParams.fColorSpace);
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fBackbufferSurface = SkSurface::MakeRaster(info, &fDisplayParams.fSurfaceProps);
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}
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sk_sp<SkSurface> RasterWindowContext_xlib::getBackbufferSurface() { return fBackbufferSurface; }
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void RasterWindowContext_xlib::swapBuffers() {
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SkPixmap pm;
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if (!fBackbufferSurface->peekPixels(&pm)) {
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return;
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}
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int bitsPerPixel = pm.info().bytesPerPixel() * 8;
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XImage image;
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memset(&image, 0, sizeof(image));
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image.width = pm.width();
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image.height = pm.height();
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image.format = ZPixmap;
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image.data = (char*) pm.addr();
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image.byte_order = LSBFirst;
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image.bitmap_unit = bitsPerPixel;
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image.bitmap_bit_order = LSBFirst;
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image.bitmap_pad = bitsPerPixel;
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image.depth = 24;
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image.bytes_per_line = pm.rowBytes() - pm.width() * pm.info().bytesPerPixel();
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image.bits_per_pixel = bitsPerPixel;
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if (!XInitImage(&image)) {
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return;
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}
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XPutImage(fDisplay, fWindow, fGC, &image, 0, 0, 0, 0, pm.width(), pm.height());
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}
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} // anonymous namespace
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namespace sk_app {
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namespace window_context_factory {
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std::unique_ptr<WindowContext> MakeRasterForXlib(const XlibWindowInfo& info,
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const DisplayParams& params) {
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std::unique_ptr<WindowContext> ctx(new RasterWindowContext_xlib(
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info.fDisplay, info.fWindow, info.fWidth, info.fHeight, params));
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if (!ctx->isValid()) {
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ctx = nullptr;
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}
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return ctx;
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}
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} // namespace window_context_factory
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} // namespace sk_app
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