Method drawImageRect

src/gpu/RenderContext.cpp:249–270

}

void RenderContext::drawImageRect(std::shared_ptr<Image> image, const Rect& srcRect,
                                  const Rect& dstRect, const SamplingOptions& sampling,
                                  const MCState& state, const Fill& fill,
                                  SrcRectConstraint constraint) {
  DEBUG_ASSERT(image != nullptr);
  DEBUG_ASSERT(image->isAlphaOnly() || fill.shader == nullptr);
  auto compositor = getOpsCompositor();
  if (compositor == nullptr) {
    return;
  }
  auto samplingOptions = sampling;
  if (constraint == SrcRectConstraint::Strict ||
      (samplingOptions.mipmapMode != MipmapMode::None && !state.matrix.hasNonIdentityScale())) {
    // Mipmaps perform sampling at different scales, which could cause samples to go outside the
    // strict region. So we disable mipmaps for strict constraints.

    // There is no scaling for the source image, so we can disable mipmaps to save memory.
    samplingOptions.mipmapMode = MipmapMode::None;
  }
  compositor->fillImageRect(std::move(image), srcRect, dstRect, samplingOptions, state, fill,
                            constraint);
}

void RenderContext::drawGlyphRunList(std::shared_ptr<GlyphRunList> glyphRunList,
                                     const MCState& state, const Fill& fill, const Stroke* stroke) {