summaryrefslogtreecommitdiff
path: root/core/fxge/dib/cfx_dibitmap.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/fxge/dib/cfx_dibitmap.cpp')
-rw-r--r--core/fxge/dib/cfx_dibitmap.cpp215
1 files changed, 103 insertions, 112 deletions
diff --git a/core/fxge/dib/cfx_dibitmap.cpp b/core/fxge/dib/cfx_dibitmap.cpp
index 61eba3fd74..760b26f23a 100644
--- a/core/fxge/dib/cfx_dibitmap.cpp
+++ b/core/fxge/dib/cfx_dibitmap.cpp
@@ -686,104 +686,35 @@ void CFX_DIBitmap::DownSampleScanline(int line,
}
}
-// TODO(weili): Split this function into two for handling CMYK and RGB
-// colors separately.
-bool CFX_DIBitmap::ConvertColorScale(uint32_t forecolor, uint32_t backcolor) {
- ASSERT(!IsAlphaMask());
- if (!m_pBuffer || IsAlphaMask())
- return false;
-
- // Values used for CMYK colors.
- int fc = 0;
- int fm = 0;
- int fy = 0;
- int fk = 0;
- int bc = 0;
- int bm = 0;
- int by = 0;
- int bk = 0;
- // Values used for RGB colors.
- int fr = 0;
- int fg = 0;
- int fb = 0;
- int br = 0;
- int bg = 0;
- int bb = 0;
- bool isCmykImage = IsCmykImage();
- if (isCmykImage) {
- fc = FXSYS_GetCValue(forecolor);
- fm = FXSYS_GetMValue(forecolor);
- fy = FXSYS_GetYValue(forecolor);
- fk = FXSYS_GetKValue(forecolor);
- bc = FXSYS_GetCValue(backcolor);
- bm = FXSYS_GetMValue(backcolor);
- by = FXSYS_GetYValue(backcolor);
- bk = FXSYS_GetKValue(backcolor);
- } else {
- fr = FXSYS_GetRValue(forecolor);
- fg = FXSYS_GetGValue(forecolor);
- fb = FXSYS_GetBValue(forecolor);
- br = FXSYS_GetRValue(backcolor);
- bg = FXSYS_GetGValue(backcolor);
- bb = FXSYS_GetBValue(backcolor);
- }
+void CFX_DIBitmap::ConvertRGBColorScale(uint32_t forecolor,
+ uint32_t backcolor) {
+ int fr = FXSYS_GetRValue(forecolor);
+ int fg = FXSYS_GetGValue(forecolor);
+ int fb = FXSYS_GetBValue(forecolor);
+ int br = FXSYS_GetRValue(backcolor);
+ int bg = FXSYS_GetGValue(backcolor);
+ int bb = FXSYS_GetBValue(backcolor);
if (m_bpp <= 8) {
- if (isCmykImage) {
- if (forecolor == 0xff && backcolor == 0 && !m_pPalette) {
- return true;
- }
- } else if (forecolor == 0 && backcolor == 0xffffff && !m_pPalette) {
- return true;
- }
- if (!m_pPalette) {
+ if (forecolor == 0 && backcolor == 0xffffff && !m_pPalette)
+ return;
+ if (!m_pPalette)
BuildPalette();
- }
int size = 1 << m_bpp;
- if (isCmykImage) {
- for (int i = 0; i < size; i++) {
- uint8_t b, g, r;
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(m_pPalette.get()[i]),
- FXSYS_GetMValue(m_pPalette.get()[i]),
- FXSYS_GetYValue(m_pPalette.get()[i]),
- FXSYS_GetKValue(m_pPalette.get()[i]), r, g, b);
- int gray = 255 - FXRGB2GRAY(r, g, b);
- m_pPalette.get()[i] = CmykEncode(
- bc + (fc - bc) * gray / 255, bm + (fm - bm) * gray / 255,
- by + (fy - by) * gray / 255, bk + (fk - bk) * gray / 255);
- }
- } else {
- for (int i = 0; i < size; i++) {
- int gray = FXRGB2GRAY(FXARGB_R(m_pPalette.get()[i]),
- FXARGB_G(m_pPalette.get()[i]),
- FXARGB_B(m_pPalette.get()[i]));
- m_pPalette.get()[i] = FXARGB_MAKE(0xff, br + (fr - br) * gray / 255,
- bg + (fg - bg) * gray / 255,
- bb + (fb - bb) * gray / 255);
- }
+ for (int i = 0; i < size; ++i) {
+ int gray = FXRGB2GRAY(FXARGB_R(m_pPalette.get()[i]),
+ FXARGB_G(m_pPalette.get()[i]),
+ FXARGB_B(m_pPalette.get()[i]));
+ m_pPalette.get()[i] =
+ FXARGB_MAKE(0xff, br + (fr - br) * gray / 255,
+ bg + (fg - bg) * gray / 255, bb + (fb - bb) * gray / 255);
}
- return true;
+ return;
}
- if (isCmykImage) {
- if (forecolor == 0xff && backcolor == 0x00) {
- for (int row = 0; row < m_Height; row++) {
- uint8_t* scanline = m_pBuffer.Get() + row * m_Pitch;
- for (int col = 0; col < m_Width; col++) {
- uint8_t b, g, r;
- AdobeCMYK_to_sRGB1(scanline[0], scanline[1], scanline[2], scanline[3],
- r, g, b);
- *scanline++ = 0;
- *scanline++ = 0;
- *scanline++ = 0;
- *scanline++ = 255 - FXRGB2GRAY(r, g, b);
- }
- }
- return true;
- }
- } else if (forecolor == 0 && backcolor == 0xffffff) {
- for (int row = 0; row < m_Height; row++) {
+ if (forecolor == 0 && backcolor == 0xffffff) {
+ for (int row = 0; row < m_Height; ++row) {
uint8_t* scanline = m_pBuffer.Get() + row * m_Pitch;
int gap = m_bpp / 8 - 2;
- for (int col = 0; col < m_Width; col++) {
+ for (int col = 0; col < m_Width; ++col) {
int gray = FXRGB2GRAY(scanline[2], scanline[1], scanline[0]);
*scanline++ = gray;
*scanline++ = gray;
@@ -791,35 +722,95 @@ bool CFX_DIBitmap::ConvertColorScale(uint32_t forecolor, uint32_t backcolor) {
scanline += gap;
}
}
- return true;
+ return;
}
- if (isCmykImage) {
- for (int row = 0; row < m_Height; row++) {
+ for (int row = 0; row < m_Height; ++row) {
+ uint8_t* scanline = m_pBuffer.Get() + row * m_Pitch;
+ int gap = m_bpp / 8 - 2;
+ for (int col = 0; col < m_Width; ++col) {
+ int gray = FXRGB2GRAY(scanline[2], scanline[1], scanline[0]);
+ *scanline++ = bb + (fb - bb) * gray / 255;
+ *scanline++ = bg + (fg - bg) * gray / 255;
+ *scanline = br + (fr - br) * gray / 255;
+ scanline += gap;
+ }
+ }
+}
+
+void CFX_DIBitmap::ConvertCMYKColorScale(uint32_t forecolor,
+ uint32_t backcolor) {
+ int fc = FXSYS_GetCValue(forecolor);
+ int fm = FXSYS_GetMValue(forecolor);
+ int fy = FXSYS_GetYValue(forecolor);
+ int fk = FXSYS_GetKValue(forecolor);
+ int bc = FXSYS_GetCValue(backcolor);
+ int bm = FXSYS_GetMValue(backcolor);
+ int by = FXSYS_GetYValue(backcolor);
+ int bk = FXSYS_GetKValue(backcolor);
+ if (m_bpp <= 8) {
+ if (forecolor == 0xff && backcolor == 0 && !m_pPalette)
+ return;
+ if (!m_pPalette)
+ BuildPalette();
+ int size = 1 << m_bpp;
+ for (int i = 0; i < size; ++i) {
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(m_pPalette.get()[i]),
+ FXSYS_GetMValue(m_pPalette.get()[i]),
+ FXSYS_GetYValue(m_pPalette.get()[i]),
+ FXSYS_GetKValue(m_pPalette.get()[i]), r, g, b);
+ int gray = 255 - FXRGB2GRAY(r, g, b);
+ m_pPalette.get()[i] =
+ CmykEncode(bc + (fc - bc) * gray / 255, bm + (fm - bm) * gray / 255,
+ by + (fy - by) * gray / 255, bk + (fk - bk) * gray / 255);
+ }
+ return;
+ }
+ if (forecolor == 0xff && backcolor == 0x00) {
+ for (int row = 0; row < m_Height; ++row) {
uint8_t* scanline = m_pBuffer.Get() + row * m_Pitch;
- for (int col = 0; col < m_Width; col++) {
- uint8_t b, g, r;
+ for (int col = 0; col < m_Width; ++col) {
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
AdobeCMYK_to_sRGB1(scanline[0], scanline[1], scanline[2], scanline[3],
r, g, b);
- int gray = 255 - FXRGB2GRAY(r, g, b);
- *scanline++ = bc + (fc - bc) * gray / 255;
- *scanline++ = bm + (fm - bm) * gray / 255;
- *scanline++ = by + (fy - by) * gray / 255;
- *scanline++ = bk + (fk - bk) * gray / 255;
+ *scanline++ = 0;
+ *scanline++ = 0;
+ *scanline++ = 0;
+ *scanline++ = 255 - FXRGB2GRAY(r, g, b);
}
}
- } else {
- for (int row = 0; row < m_Height; row++) {
- uint8_t* scanline = m_pBuffer.Get() + row * m_Pitch;
- int gap = m_bpp / 8 - 2;
- for (int col = 0; col < m_Width; col++) {
- int gray = FXRGB2GRAY(scanline[2], scanline[1], scanline[0]);
- *scanline++ = bb + (fb - bb) * gray / 255;
- *scanline++ = bg + (fg - bg) * gray / 255;
- *scanline = br + (fr - br) * gray / 255;
- scanline += gap;
- }
+ return;
+ }
+ for (int row = 0; row < m_Height; ++row) {
+ uint8_t* scanline = m_pBuffer.Get() + row * m_Pitch;
+ for (int col = 0; col < m_Width; ++col) {
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ AdobeCMYK_to_sRGB1(scanline[0], scanline[1], scanline[2], scanline[3], r,
+ g, b);
+ int gray = 255 - FXRGB2GRAY(r, g, b);
+ *scanline++ = bc + (fc - bc) * gray / 255;
+ *scanline++ = bm + (fm - bm) * gray / 255;
+ *scanline++ = by + (fy - by) * gray / 255;
+ *scanline++ = bk + (fk - bk) * gray / 255;
}
}
+}
+
+bool CFX_DIBitmap::ConvertColorScale(uint32_t forecolor, uint32_t backcolor) {
+ ASSERT(!IsAlphaMask());
+ if (!m_pBuffer || IsAlphaMask())
+ return false;
+
+ if (IsCmykImage())
+ ConvertCMYKColorScale(forecolor, backcolor);
+ else
+ ConvertRGBColorScale(forecolor, backcolor);
return true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 04:34:53 +0000