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- /*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "gm/gm.h"
- #include "include/core/SkBitmap.h"
- #include "include/core/SkBlendMode.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkFilterQuality.h"
- #include "include/core/SkFont.h"
- #include "include/core/SkFontTypes.h"
- #include "include/core/SkMatrix.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkShader.h"
- #include "include/core/SkTileMode.h"
- #include "include/core/SkTypeface.h"
- #include "include/gpu/GrContext.h"
- #include "src/core/SkTraceEvent.h"
- #include "tools/ToolUtils.h"
- #include <stdarg.h>
- class GrRenderTargetContext;
- using namespace skiagm;
- constexpr char GM::kErrorMsg_DrawSkippedGpuOnly[];
- static void draw_failure_message(SkCanvas* canvas, const char format[], ...) {
- SkString failureMsg;
- va_list argp;
- va_start(argp, format);
- failureMsg.appendVAList(format, argp);
- va_end(argp);
- constexpr SkScalar kOffset = 5.0f;
- canvas->drawColor(SkColorSetRGB(200,0,0));
- SkFont font;
- SkRect bounds;
- font.measureText(failureMsg.c_str(), failureMsg.size(), SkTextEncoding::kUTF8, &bounds);
- SkPaint textPaint(SkColors::kWhite);
- canvas->drawString(failureMsg, kOffset, bounds.height() + kOffset, font, textPaint);
- }
- static void draw_gpu_only_message(SkCanvas* canvas) {
- SkBitmap bmp;
- bmp.allocN32Pixels(128, 64);
- SkCanvas bmpCanvas(bmp);
- bmpCanvas.drawColor(SK_ColorWHITE);
- SkFont font(ToolUtils::create_portable_typeface(), 20);
- SkPaint paint(SkColors::kRed);
- bmpCanvas.drawString("GPU Only", 20, 40, font, paint);
- SkMatrix localM;
- localM.setRotate(35.f);
- localM.postTranslate(10.f, 0.f);
- paint.setShader(bmp.makeShader(SkTileMode::kMirror, SkTileMode::kMirror, &localM));
- paint.setFilterQuality(kMedium_SkFilterQuality);
- canvas->drawPaint(paint);
- }
- GM::GM(SkColor bgColor) {
- fMode = kGM_Mode;
- fBGColor = bgColor;
- fCanvasIsDeferred = false;
- fHaveCalledOnceBeforeDraw = false;
- }
- GM::~GM() {}
- DrawResult GM::draw(SkCanvas* canvas, SkString* errorMsg) {
- TRACE_EVENT1("GM", TRACE_FUNC, "name", TRACE_STR_COPY(this->getName()));
- this->drawBackground(canvas);
- return this->drawContent(canvas, errorMsg);
- }
- DrawResult GM::drawContent(SkCanvas* canvas, SkString* errorMsg) {
- TRACE_EVENT0("GM", TRACE_FUNC);
- if (!fHaveCalledOnceBeforeDraw) {
- fHaveCalledOnceBeforeDraw = true;
- this->onOnceBeforeDraw();
- }
- SkAutoCanvasRestore acr(canvas, true);
- DrawResult drawResult = this->onDraw(canvas, errorMsg);
- if (DrawResult::kOk != drawResult) {
- if (DrawResult::kFail == drawResult) {
- draw_failure_message(canvas, "DRAW FAILED: %s", errorMsg->c_str());
- } else if (SkString(kErrorMsg_DrawSkippedGpuOnly) == *errorMsg) {
- draw_gpu_only_message(canvas);
- } else {
- draw_failure_message(canvas, "DRAW SKIPPED: %s", errorMsg->c_str());
- }
- }
- return drawResult;
- }
- void GM::drawBackground(SkCanvas* canvas) {
- TRACE_EVENT0("GM", TRACE_FUNC);
- if (!fHaveCalledOnceBeforeDraw) {
- fHaveCalledOnceBeforeDraw = true;
- this->onOnceBeforeDraw();
- }
- SkAutoCanvasRestore acr(canvas, true);
- canvas->drawColor(fBGColor, SkBlendMode::kSrc);
- }
- DrawResult GM::onDraw(SkCanvas* canvas, SkString* errorMsg) {
- this->onDraw(canvas);
- return DrawResult::kOk;
- }
- void GM::onDraw(SkCanvas*) { SK_ABORT("Not implemented."); }
- SkISize SimpleGM::onISize() { return fSize; }
- SkString SimpleGM::onShortName() { return fName; }
- DrawResult SimpleGM::onDraw(SkCanvas* canvas, SkString* errorMsg) {
- return fDrawProc(canvas, errorMsg);
- }
- SkISize SimpleGpuGM::onISize() { return fSize; }
- SkString SimpleGpuGM::onShortName() { return fName; }
- DrawResult SimpleGpuGM::onDraw(GrContext* ctx, GrRenderTargetContext* rtc, SkCanvas* canvas,
- SkString* errorMsg) {
- return fDrawProc(ctx, rtc, canvas, errorMsg);
- }
- const char* GM::getName() {
- if (fShortName.size() == 0) {
- fShortName = this->onShortName();
- }
- return fShortName.c_str();
- }
- void GM::setBGColor(SkColor color) {
- fBGColor = color;
- }
- bool GM::animate(double nanos) { return this->onAnimate(nanos); }
- bool GM::runAsBench() const { return false; }
- void GM::modifyGrContextOptions(GrContextOptions* options) {}
- void GM::onOnceBeforeDraw() {}
- bool GM::onAnimate(double /*nanos*/) { return false; }
- bool GM::onChar(SkUnichar uni) { return false; }
- bool GM::onGetControls(SkMetaData*) { return false; }
- void GM::onSetControls(const SkMetaData&) {}
- /////////////////////////////////////////////////////////////////////////////////////////////
- void GM::drawSizeBounds(SkCanvas* canvas, SkColor color) {
- canvas->drawRect(SkRect::Make(this->getISize()), SkPaint(SkColor4f::FromColor(color)));
- }
- // need to explicitly declare this, or we get some weird infinite loop llist
- template GMRegistry* GMRegistry::gHead;
- DrawResult GpuGM::onDraw(GrContext* ctx, GrRenderTargetContext* rtc, SkCanvas* canvas,
- SkString* errorMsg) {
- this->onDraw(ctx, rtc, canvas);
- return DrawResult::kOk;
- }
- void GpuGM::onDraw(GrContext*, GrRenderTargetContext*, SkCanvas*) {
- SK_ABORT("Not implemented.");
- }
- DrawResult GpuGM::onDraw(SkCanvas* canvas, SkString* errorMsg) {
- GrContext* ctx = canvas->getGrContext();
- GrRenderTargetContext* rtc = canvas->internal_private_accessTopLayerRenderTargetContext();
- if (!ctx || !rtc) {
- *errorMsg = kErrorMsg_DrawSkippedGpuOnly;
- return DrawResult::kSkip;
- }
- if (ctx->abandoned()) {
- *errorMsg = "GrContext abandoned.";
- return DrawResult::kSkip;
- }
- return this->onDraw(ctx, rtc, canvas, errorMsg);
- }
- template <typename Fn>
- static void mark(SkCanvas* canvas, SkScalar x, SkScalar y, Fn&& fn) {
- SkPaint alpha;
- alpha.setAlpha(0x50);
- canvas->saveLayer(nullptr, &alpha);
- canvas->translate(x,y);
- canvas->scale(2,2);
- fn();
- canvas->restore();
- }
- void MarkGMGood(SkCanvas* canvas, SkScalar x, SkScalar y) {
- mark(canvas, x,y, [&]{
- // A green circle.
- canvas->drawCircle(0, 0, 12, SkPaint(SkColor4f::FromColor(SkColorSetRGB(27, 158, 119))));
- // Cut out a check mark.
- SkPaint paint(SkColors::kTransparent);
- paint.setBlendMode(SkBlendMode::kSrc);
- paint.setStrokeWidth(2);
- paint.setStyle(SkPaint::kStroke_Style);
- canvas->drawLine(-6, 0,
- -1, 5, paint);
- canvas->drawLine(-1, +5,
- +7, -5, paint);
- });
- }
- void MarkGMBad(SkCanvas* canvas, SkScalar x, SkScalar y) {
- mark(canvas, x,y, [&] {
- // A red circle.
- canvas->drawCircle(0,0, 12, SkPaint(SkColor4f::FromColor(SkColorSetRGB(231, 41, 138))));
- // Cut out an 'X'.
- SkPaint paint(SkColors::kTransparent);
- paint.setBlendMode(SkBlendMode::kSrc);
- paint.setStrokeWidth(2);
- paint.setStyle(SkPaint::kStroke_Style);
- canvas->drawLine(-5,-5,
- +5,+5, paint);
- canvas->drawLine(+5,-5,
- -5,+5, paint);
- });
- }
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