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More clamping and rounding instead of truncating in ImageData:paste format conversion code, to match the behaviour of other color conversion code.

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Alex Szpakowski
2019-09-21 22:20:16 -03:00
parent 42a8107b07
commit a5ccfe4394
1 changed files with 5 additions and 5 deletions
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src/modules/image/ImageData.cpp
+5 -5
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@@ -617,13 +617,13 @@ static void pasteRGBA16toRGBA32F(Row src, Row dst, int w)
static void pasteRGBA16FtoRGBA8(Row src, Row dst, int w)
{
for (int i = 0; i < w * 4; i++)
dst.u8[i] = (uint8) (float16to32(src.f16[i]) * 255.0f);
dst.u8[i] = (uint8) (clamp01(float16to32(src.f16[i])) * 255.0f + 0.5f);
}
static void pasteRGBA16FtoRGBA16(Row src, Row dst, int w)
{
for (int i = 0; i < w * 4; i++)
dst.u16[i] = (uint16) (float16to32(src.f16[i]) * 65535.0f);
dst.u16[i] = (uint16) (clamp01(float16to32(src.f16[i])) * 65535.0f + 0.5f);
}
static void pasteRGBA16FtoRGBA32F(Row src, Row dst, int w)
@@ -635,19 +635,19 @@ static void pasteRGBA16FtoRGBA32F(Row src, Row dst, int w)
static void pasteRGBA32FtoRGBA8(Row src, Row dst, int w)
{
for (int i = 0; i < w * 4; i++)
dst.u8[i] = (uint8) (src.f32[i] * 255.0f);
dst.u8[i] = (uint8) (clamp01(src.f32[i]) * 255.0f + 0.5f);
}
static void pasteRGBA32FtoRGBA16(Row src, Row dst, int w)
{
for (int i = 0; i < w * 4; i++)
dst.u16[i] = (uint16) (src.f32[i] * 65535.0f);
dst.u16[i] = (uint16) (clamp01(src.f32[i]) * 65535.0f + 0.5f);
}
static void pasteRGBA32FtoRGBA16F(Row src, Row dst, int w)
{
for (int i = 0; i < w * 4; i++)
dst.f16[i] = (uint16) float32to16(src.f32[i]);
dst.f16[i] = float32to16(src.f32[i]);
}
void ImageData::paste(ImageData *src, int dx, int dy, int sx, int sy, int sw, int sh)