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>
100 lines
3.1 KiB
C++
100 lines
3.1 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 "src/core/SkAutoMalloc.h"
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#include "tools/sk_app/RasterWindowContext.h"
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#include "tools/sk_app/win/WindowContextFactory_win.h"
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#include <Windows.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_win : public RasterWindowContext {
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public:
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RasterWindowContext_win(HWND, 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(fWnd); }
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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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SkAutoMalloc fSurfaceMemory;
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sk_sp<SkSurface> fBackbufferSurface;
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HWND fWnd;
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private:
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using INHERITED = RasterWindowContext;
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};
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RasterWindowContext_win::RasterWindowContext_win(HWND wnd, const DisplayParams& params)
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: INHERITED(params)
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, fWnd(wnd) {
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RECT rect;
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GetClientRect(wnd, &rect);
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this->resize(rect.right - rect.left, rect.bottom - rect.top);
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}
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void RasterWindowContext_win::setDisplayParams(const DisplayParams& params) {
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fDisplayParams = params;
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RECT rect;
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GetClientRect(fWnd, &rect);
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this->resize(rect.right - rect.left, rect.bottom - rect.top);
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}
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void RasterWindowContext_win::resize(int w, int h) {
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fWidth = w;
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fHeight = h;
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fBackbufferSurface.reset();
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const size_t bmpSize = sizeof(BITMAPINFOHEADER) + w * h * sizeof(uint32_t);
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fSurfaceMemory.reset(bmpSize);
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BITMAPINFO* bmpInfo = reinterpret_cast<BITMAPINFO*>(fSurfaceMemory.get());
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ZeroMemory(bmpInfo, sizeof(BITMAPINFO));
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bmpInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bmpInfo->bmiHeader.biWidth = w;
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bmpInfo->bmiHeader.biHeight = -h; // negative means top-down bitmap. Skia draws top-down.
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bmpInfo->bmiHeader.biPlanes = 1;
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bmpInfo->bmiHeader.biBitCount = 32;
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bmpInfo->bmiHeader.biCompression = BI_RGB;
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void* pixels = bmpInfo->bmiColors;
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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::MakeRasterDirect(info, pixels, sizeof(uint32_t) * w);
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}
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sk_sp<SkSurface> RasterWindowContext_win::getBackbufferSurface() { return fBackbufferSurface; }
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void RasterWindowContext_win::swapBuffers() {
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BITMAPINFO* bmpInfo = reinterpret_cast<BITMAPINFO*>(fSurfaceMemory.get());
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HDC dc = GetDC(fWnd);
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StretchDIBits(dc, 0, 0, fWidth, fHeight, 0, 0, fWidth, fHeight, bmpInfo->bmiColors, bmpInfo,
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DIB_RGB_COLORS, SRCCOPY);
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ReleaseDC(fWnd, dc);
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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> MakeRasterForWin(HWND wnd, const DisplayParams& params) {
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std::unique_ptr<WindowContext> ctx(new RasterWindowContext_win(wnd, 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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