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-rw-r--r--core/fxge/dib/fx_dib_composite.cpp124
-rw-r--r--core/fxge/dib/fx_dib_main.cpp21
2 files changed, 66 insertions, 79 deletions
diff --git a/core/fxge/dib/fx_dib_composite.cpp b/core/fxge/dib/fx_dib_composite.cpp
index 0bf67ccb71..5bfe46e572 100644
--- a/core/fxge/dib/fx_dib_composite.cpp
+++ b/core/fxge/dib/fx_dib_composite.cpp
@@ -200,7 +200,9 @@ void _RGB_Blend(int blend_mode,
const uint8_t* src_scan,
uint8_t* dest_scan,
int results[3]) {
- _RGB src, back, result;
+ _RGB src;
+ _RGB back;
+ _RGB result = {0, 0, 0};
src.red = src_scan[2];
src.green = src_scan[1];
src.blue = src_scan[0];
@@ -291,7 +293,6 @@ void _CompositeRow_Argb2Graya(uint8_t* dest_scan,
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
if (src_alpha_scan) {
for (int col = 0; col < pixel_count; col++) {
uint8_t back_alpha = *dst_alpha_scan;
@@ -332,12 +333,10 @@ void _CompositeRow_Argb2Graya(uint8_t* dest_scan,
} else {
gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
}
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
dest_scan++;
dst_alpha_scan++;
@@ -498,7 +497,6 @@ inline void _CompositeRow_Argb2Gray(uint8_t* dest_scan,
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
if (src_alpha_scan) {
for (int col = 0; col < pixel_count; col++) {
int src_alpha = *src_alpha_scan++;
@@ -511,12 +509,10 @@ inline void _CompositeRow_Argb2Gray(uint8_t* dest_scan,
else
gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
}
dest_scan++;
@@ -534,12 +530,10 @@ inline void _CompositeRow_Argb2Gray(uint8_t* dest_scan,
else
gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
}
dest_scan++;
@@ -599,19 +593,16 @@ inline void _CompositeRow_Rgb2Gray(uint8_t* dest_scan,
}
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
if (pIccTransform) {
pIccModule->TranslateScanline(pIccTransform, &gray, src_scan, 1);
} else {
gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
}
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
if (clip_scan && clip_scan[col] < 255) {
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
} else {
@@ -650,7 +641,6 @@ void _CompositeRow_Rgb2Graya(uint8_t* dest_scan,
pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
}
if (blend_type) {
- int blended_color;
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
for (int col = 0; col < pixel_count; col++) {
int back_alpha = *dest_alpha_scan;
@@ -685,12 +675,10 @@ void _CompositeRow_Rgb2Graya(uint8_t* dest_scan,
} else {
gray = FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
}
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
dest_scan++;
src_scan += src_Bpp;
@@ -1849,19 +1837,16 @@ inline void _CompositeRow_8bppPal2Gray(uint8_t* dest_scan,
if (src_alpha_scan) {
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
uint8_t gray = pPalette[*src_scan];
int src_alpha = *src_alpha_scan++;
if (clip_scan) {
src_alpha = clip_scan[col] * src_alpha / 255;
}
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
if (src_alpha) {
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
} else {
@@ -1889,15 +1874,12 @@ inline void _CompositeRow_8bppPal2Gray(uint8_t* dest_scan,
} else {
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
uint8_t gray = pPalette[*src_scan];
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
if (clip_scan && clip_scan[col] < 255) {
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
} else {
@@ -1931,7 +1913,6 @@ inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
if (src_alpha_scan) {
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
uint8_t gray = pPalette[*src_scan];
src_scan++;
@@ -1961,12 +1942,10 @@ inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
*dest_alpha_scan =
back_alpha + src_alpha - back_alpha * src_alpha / 255;
int alpha_ratio = src_alpha * 255 / (*dest_alpha_scan);
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
dest_alpha_scan++;
dest_scan++;
@@ -2008,7 +1987,6 @@ inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
} else {
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
uint8_t gray = pPalette[*src_scan];
src_scan++;
@@ -2028,12 +2006,10 @@ inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
back_alpha + src_alpha - back_alpha * src_alpha / 255;
*dest_alpha_scan++ = dest_alpha;
int alpha_ratio = src_alpha * 255 / dest_alpha;
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
dest_scan++;
}
@@ -2074,18 +2050,15 @@ inline void _CompositeRow_1bppPal2Gray(uint8_t* dest_scan,
int set_gray = pPalette[1];
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
uint8_t gray =
(src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
? set_gray
: reset_gray;
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
if (clip_scan && clip_scan[col] < 255) {
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
} else {
@@ -2120,7 +2093,6 @@ inline void _CompositeRow_1bppPal2Graya(uint8_t* dest_scan,
int set_gray = pPalette[1];
if (blend_type) {
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- int blended_color;
for (int col = 0; col < pixel_count; col++) {
uint8_t gray =
(src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
@@ -2142,12 +2114,10 @@ inline void _CompositeRow_1bppPal2Graya(uint8_t* dest_scan,
back_alpha + src_alpha - back_alpha * src_alpha / 255;
*dest_alpha_scan++ = dest_alpha;
int alpha_ratio = src_alpha * 255 / dest_alpha;
- if (bNonseparableBlend) {
- blended_color =
- blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
- }
- gray = bNonseparableBlend ? blended_color
- : _BLEND(blend_type, *dest_scan, gray);
+ if (bNonseparableBlend)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else
+ gray = _BLEND(blend_type, *dest_scan, gray);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
dest_scan++;
}
diff --git a/core/fxge/dib/fx_dib_main.cpp b/core/fxge/dib/fx_dib_main.cpp
index 8ce20568df..a7f7dc75bc 100644
--- a/core/fxge/dib/fx_dib_main.cpp
+++ b/core/fxge/dib/fx_dib_main.cpp
@@ -1234,14 +1234,31 @@ void CFX_DIBitmap::DownSampleScanline(int line,
}
}
}
+
+// TODO(weili): Split this function into two for handling CMYK and RGB
+// colors separately.
FX_BOOL CFX_DIBitmap::ConvertColorScale(FX_DWORD forecolor,
FX_DWORD backcolor) {
ASSERT(!IsAlphaMask());
if (!m_pBuffer || IsAlphaMask()) {
return FALSE;
}
- int fc, fm, fy, fk, bc, bm, by, bk;
- int fr, fg, fb, br, bg, bb;
+ // 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;
FX_BOOL isCmykImage = IsCmykImage();
if (isCmykImage) {
fc = FXSYS_GetCValue(forecolor);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 15:47:56 +0000