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Searched refs:back_alpha (Results 1 – 4 of 4) sorted by relevance

/external/pdfium/core/src/fxge/dib/
Dfx_dib_composite.cpp265 FX_BYTE back_alpha = *dest_scan; in _CompositeRow_Argb2Mask() local
266 if (!back_alpha) { in _CompositeRow_Argb2Mask()
269 *dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255; in _CompositeRow_Argb2Mask()
282 FX_BYTE back_alpha = *dest_scan; in _CompositeRow_Rgba2Mask() local
283 if (!back_alpha) { in _CompositeRow_Rgba2Mask()
286 *dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255; in _CompositeRow_Rgba2Mask()
315 FX_BYTE back_alpha = *dst_alpha_scan; in _CompositeRow_Argb2Graya() local
316 if (back_alpha == 0) { in _CompositeRow_Argb2Graya()
344 *dst_alpha_scan = FXDIB_ALPHA_UNION(back_alpha, src_alpha); in _CompositeRow_Argb2Graya()
363 FX_BYTE back_alpha = *dst_alpha_scan; in _CompositeRow_Argb2Graya() local
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/external/pdfium/core/src/fxge/ge/
Dfx_ge_text.cpp473 FX_BYTE back_alpha = dest_scan[3]; in DrawNormalText() local
474 if (back_alpha == 0) { in DrawNormalText()
485 … FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; in DrawNormalText()
520 FX_BYTE back_alpha = dest_scan[3]; in DrawNormalText() local
521 if (back_alpha == 0) { in DrawNormalText()
524 … FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; in DrawNormalText()
558 FX_BYTE back_alpha = dest_scan[3]; in DrawNormalText() local
559 if (back_alpha == 0) { in DrawNormalText()
570 … FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; in DrawNormalText()
605 FX_BYTE back_alpha = dest_scan[3]; in DrawNormalText() local
[all …]
/external/libpng/
Dpngread.c2307 unsigned int step, i, val, trans = 256/*ignore*/, back_alpha = 0; in png_image_read_colormap() local
2324 back_alpha = output_encoding == P_LINEAR ? 65535 : 255; in png_image_read_colormap()
2354 back_alpha, output_encoding); in png_image_read_colormap()
2396 unsigned int back_alpha; in png_image_read_colormap() local
2399 back_alpha = 0; in png_image_read_colormap()
2440 back_alpha = output_encoding == P_LINEAR ? 65535 : 255; in png_image_read_colormap()
2458 back_alpha, output_encoding); in png_image_read_colormap()
/external/pdfium/core/src/fxge/agg/agg23/
Dfx_agg_driver.cpp1253 FX_BYTE back_alpha = dest_scan[3]; in RgbByteOrderCompositeRect() local
1254 if (back_alpha == 0) { in RgbByteOrderCompositeRect()
1259 FX_BYTE dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255; in RgbByteOrderCompositeRect()