本文整理汇总了C++中GrContext::drawRectToRect方法的典型用法代码示例。如果您正苦于以下问题：C++ GrContext::drawRectToRect方法的具体用法？C++ GrContext::drawRectToRect怎么用？C++ GrContext::drawRectToRect使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GrContext的用法示例。
在下文中一共展示了GrContext::drawRectToRect方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: filterImageGPU
bool SkBicubicImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm,
SkBitmap* result, SkIPoint* offset) {
SkBitmap srcBM;
if (!SkImageFilterUtils::GetInputResultGPU(getInput(0), proxy, src, ctm, &srcBM, offset)) {
return false;
}
GrTexture* srcTexture = srcBM.getTexture();
GrContext* context = srcTexture->getContext();
SkRect dstRect = SkRect::MakeWH(srcBM.width() * fScale.fWidth,
srcBM.height() * fScale.fHeight);
GrTextureDesc desc;
desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
desc.fWidth = SkScalarCeilToInt(dstRect.width());
desc.fHeight = SkScalarCeilToInt(dstRect.height());
desc.fConfig = kSkia8888_GrPixelConfig;
GrAutoScratchTexture ast(context, desc);
SkAutoTUnref<GrTexture> dst(ast.detach());
if (!dst) {
return false;
}
GrContext::AutoRenderTarget art(context, dst->asRenderTarget());
GrPaint paint;
paint.addColorEffect(GrBicubicEffect::Create(srcTexture, fCoefficients))->unref();
SkRect srcRect;
srcBM.getBounds(&srcRect);
context->drawRectToRect(paint, dstRect, srcRect);
return SkImageFilterUtils::WrapTexture(dst, desc.fWidth, desc.fHeight, result);
}示例2: filterImageGPU
bool SkImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm,
SkBitmap* result, SkIPoint* offset) {
#if SK_SUPPORT_GPU
SkBitmap input;
SkASSERT(fInputCount == 1);
if (!SkImageFilterUtils::GetInputResultGPU(this->getInput(0), proxy, src, ctm, &input, offset)) {
return false;
}
GrTexture* srcTexture = input.getTexture();
SkIRect bounds;
src.getBounds(&bounds);
if (!this->applyCropRect(&bounds, ctm)) {
return false;
}
SkRect srcRect = SkRect::Make(bounds);
SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
GrContext* context = srcTexture->getContext();
GrTextureDesc desc;
desc.fFlags = kRenderTarget_GrTextureFlagBit,
desc.fWidth = bounds.width();
desc.fHeight = bounds.height();
desc.fConfig = kRGBA_8888_GrPixelConfig;
GrAutoScratchTexture dst(context, desc);
GrContext::AutoMatrix am;
am.setIdentity(context);
GrContext::AutoRenderTarget art(context, dst.texture()->asRenderTarget());
GrContext::AutoClip acs(context, dstRect);
GrEffectRef* effect;
SkMatrix matrix(ctm);
matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
this->asNewEffect(&effect, srcTexture, matrix, bounds);
SkASSERT(effect);
SkAutoUnref effectRef(effect);
GrPaint paint;
paint.addColorEffect(effect);
context->drawRectToRect(paint, dstRect, srcRect);
SkAutoTUnref<GrTexture> resultTex(dst.detach());
SkImageFilterUtils::WrapTexture(resultTex, bounds.width(), bounds.height(), result);
offset->fX += bounds.left();
offset->fY += bounds.top();
return true;
#else
return false;
#endif
}