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Texture paiting

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Jakub Melka
2021-02-25 19:57:23 +01:00
parent 4b291d6db8
commit ea3908792b
3 changed files with 196 additions and 4 deletions
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30
Pdf4QtLib/sources/pdftransparencyrenderer.h
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@@ -526,7 +526,8 @@ struct PDFTransparencyRendererSettings
/// colors to the CMYK color space.
SeparationSimulation = 0x0004,
/// Use active color mask
/// Use active color mask (so we can clear channels,
/// which are not active)
ActiveColorMask = 0x0008,
/// Use smooth image transform, if it is possible. For
@@ -709,7 +710,7 @@ private:
/// \param colorChannelStart Color channel start (draw buffer)
/// \param colorChannelEnd Color channel end (draw buffer)
/// \param fillColor Fill color
/// \param clipSample Clipping sampler
/// \param clipSampler Clipping sampler
/// \param pathSampler Path sampler
void performPixelSampling(const PDFReal shape,
const PDFReal opacity,
@@ -723,6 +724,31 @@ private:
const PDFPainterPathSampler& clipSampler,
const PDFPainterPathSampler& pathSampler);
/// Performs fragment fill from texture. Sampled pixel is painted
/// into the draw buffer.
/// \param shape Constant shape value
/// \param opacity Constant opacity value
/// \param shapeChannel Shape channel (draw buffer)
/// \param opacityChannel Opacity channel (draw buffer)
/// \param colorChannelStart Color channel start (draw buffer)
/// \param colorChannelEnd Color channel end (draw buffer)
/// \param x Horizontal coordinate of the fragment pixel
/// \param y Vertical coordinate of the fragment pixel
/// \param worldToTextureMatrix World to texture matrix
/// \param texture Texture
/// \param clipSampler Clipping sampler
void performFillFragmentFromTexture(const PDFReal shape,
const PDFReal opacity,
const uint8_t shapeChannel,
const uint8_t opacityChannel,
const uint8_t colorChannelStart,
const uint8_t colorChannelEnd,
int x,
int y,
const QMatrix& worldToTextureMatrix,
const PDFFloatBitmap& texture,
const PDFPainterPathSampler& clipSampler);
/// Collapses spot colors to device colors
/// \param data Bitmap with data
void collapseSpotColorsToDeviceColors(PDFFloatBitmapWithColorSpace& bitmap);