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Unified Diff: core/src/fxge/dib/fx_dib_composite.cpp

Issue 1520063002: Get rid of most instance of 'foo == NULL' (Closed) Base URL: https://pdfium.googlesource.com/pdfium@bstr_isnull
Patch Set: rebase Created 5 years ago
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Index: core/src/fxge/dib/fx_dib_composite.cpp
diff --git a/core/src/fxge/dib/fx_dib_composite.cpp b/core/src/fxge/dib/fx_dib_composite.cpp
index e89fdcec990f80ea61e42026f17eb9f81de3114b..e284f62050eb98f73281368eeac5303800986939 100644
--- a/core/src/fxge/dib/fx_dib_composite.cpp
+++ b/core/src/fxge/dib/fx_dib_composite.cpp
@@ -737,8 +737,8 @@ void _CompositeRow_Argb2Argb(uint8_t* dest_scan,
const uint8_t* src_alpha_scan) {
int blended_colors[3];
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- if (dest_alpha_scan == NULL) {
- if (src_alpha_scan == NULL) {
+ if (!dest_alpha_scan) {
+ if (!src_alpha_scan) {
uint8_t back_alpha = 0;
for (int col = 0; col < pixel_count; col++) {
back_alpha = dest_scan[3];
@@ -755,10 +755,10 @@ void _CompositeRow_Argb2Argb(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = src_scan[3];
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * src_scan[3] / 255;
+ } else {
+ src_alpha = src_scan[3];
}
if (src_alpha == 0) {
dest_scan += 4;
@@ -807,10 +807,10 @@ void _CompositeRow_Argb2Argb(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = *src_alpha_scan++;
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
+ } else {
+ src_alpha = *src_alpha_scan++;
}
if (src_alpha == 0) {
dest_scan += 4;
@@ -862,10 +862,10 @@ void _CompositeRow_Argb2Argb(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = *src_alpha_scan++;
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
+ } else {
+ src_alpha = *src_alpha_scan++;
}
if (src_alpha == 0) {
dest_scan += 3;
@@ -915,10 +915,10 @@ void _CompositeRow_Argb2Argb(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = src_scan[3];
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * src_scan[3] / 255;
+ } else {
+ src_alpha = src_scan[3];
}
if (src_alpha == 0) {
dest_scan += 3;
@@ -960,21 +960,18 @@ void _CompositeRow_Rgb2Argb_Blend_NoClip(uint8_t* dest_scan,
int blended_colors[3];
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
int src_gap = src_Bpp - 3;
- if (dest_alpha_scan == NULL) {
+ if (dest_alpha_scan) {
for (int col = 0; col < width; col++) {
- uint8_t back_alpha = dest_scan[3];
+ uint8_t back_alpha = *dest_alpha_scan;
if (back_alpha == 0) {
- if (src_Bpp == 4) {
- FXARGB_SETDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
- } else {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[2], src_scan[1],
- src_scan[0]));
- }
- dest_scan += 4;
- src_scan += src_Bpp;
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ *dest_alpha_scan++ = 0xff;
+ src_scan += src_gap;
continue;
}
- dest_scan[3] = 0xff;
+ *dest_alpha_scan++ = 0xff;
if (bNonseparableBlend) {
_RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
}
@@ -987,21 +984,23 @@ void _CompositeRow_Rgb2Argb_Blend_NoClip(uint8_t* dest_scan,
dest_scan++;
src_scan++;
}
- dest_scan++;
src_scan += src_gap;
}
} else {
for (int col = 0; col < width; col++) {
- uint8_t back_alpha = *dest_alpha_scan;
+ uint8_t back_alpha = dest_scan[3];
if (back_alpha == 0) {
- *dest_scan++ = *src_scan++;
- *dest_scan++ = *src_scan++;
- *dest_scan++ = *src_scan++;
- *dest_alpha_scan++ = 0xff;
- src_scan += src_gap;
+ if (src_Bpp == 4) {
+ FXARGB_SETDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
+ } else {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[2], src_scan[1],
+ src_scan[0]));
+ }
+ dest_scan += 4;
+ src_scan += src_Bpp;
continue;
}
- *dest_alpha_scan++ = 0xff;
+ dest_scan[3] = 0xff;
if (bNonseparableBlend) {
_RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
}
@@ -1014,6 +1013,7 @@ void _CompositeRow_Rgb2Argb_Blend_NoClip(uint8_t* dest_scan,
dest_scan++;
src_scan++;
}
+ dest_scan++;
src_scan += src_gap;
}
}
@@ -1028,26 +1028,27 @@ inline void _CompositeRow_Rgb2Argb_Blend_Clip(uint8_t* dest_scan,
int blended_colors[3];
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
int src_gap = src_Bpp - 3;
- if (dest_alpha_scan == NULL) {
+ if (dest_alpha_scan) {
for (int col = 0; col < width; col++) {
int src_alpha = *clip_scan++;
- uint8_t back_alpha = dest_scan[3];
+ uint8_t back_alpha = *dest_alpha_scan;
if (back_alpha == 0) {
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
src_scan += src_gap;
- dest_scan++;
+ dest_alpha_scan++;
continue;
}
if (src_alpha == 0) {
- dest_scan += 4;
+ dest_scan += 3;
+ dest_alpha_scan++;
src_scan += src_Bpp;
continue;
}
uint8_t dest_alpha =
back_alpha + src_alpha - back_alpha * src_alpha / 255;
- dest_scan[3] = dest_alpha;
+ *dest_alpha_scan++ = dest_alpha;
int alpha_ratio = src_alpha * 255 / dest_alpha;
if (bNonseparableBlend) {
_RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
@@ -1062,30 +1063,28 @@ inline void _CompositeRow_Rgb2Argb_Blend_Clip(uint8_t* dest_scan,
dest_scan++;
src_scan++;
}
- dest_scan++;
src_scan += src_gap;
}
} else {
for (int col = 0; col < width; col++) {
int src_alpha = *clip_scan++;
- uint8_t back_alpha = *dest_alpha_scan;
+ uint8_t back_alpha = dest_scan[3];
if (back_alpha == 0) {
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
src_scan += src_gap;
- dest_alpha_scan++;
+ dest_scan++;
continue;
}
if (src_alpha == 0) {
- dest_scan += 3;
- dest_alpha_scan++;
+ dest_scan += 4;
src_scan += src_Bpp;
continue;
}
uint8_t dest_alpha =
back_alpha + src_alpha - back_alpha * src_alpha / 255;
- *dest_alpha_scan++ = dest_alpha;
+ dest_scan[3] = dest_alpha;
int alpha_ratio = src_alpha * 255 / dest_alpha;
if (bNonseparableBlend) {
_RGB_Blend(blend_type, src_scan, dest_scan, blended_colors);
@@ -1100,6 +1099,7 @@ inline void _CompositeRow_Rgb2Argb_Blend_Clip(uint8_t* dest_scan,
dest_scan++;
src_scan++;
}
+ dest_scan++;
src_scan += src_gap;
}
}
@@ -1111,33 +1111,33 @@ inline void _CompositeRow_Rgb2Argb_NoBlend_Clip(uint8_t* dest_scan,
const uint8_t* clip_scan,
uint8_t* dest_alpha_scan) {
int src_gap = src_Bpp - 3;
- if (dest_alpha_scan == NULL) {
+ if (dest_alpha_scan) {
for (int col = 0; col < width; col++) {
int src_alpha = clip_scan[col];
if (src_alpha == 255) {
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
- *dest_scan++ = 255;
+ *dest_alpha_scan++ = 255;
src_scan += src_gap;
continue;
}
if (src_alpha == 0) {
- dest_scan += 4;
+ dest_scan += 3;
+ dest_alpha_scan++;
src_scan += src_Bpp;
continue;
}
- int back_alpha = dest_scan[3];
+ int back_alpha = *dest_alpha_scan;
uint8_t dest_alpha =
back_alpha + src_alpha - back_alpha * src_alpha / 255;
- dest_scan[3] = dest_alpha;
+ *dest_alpha_scan++ = dest_alpha;
int alpha_ratio = src_alpha * 255 / dest_alpha;
for (int color = 0; color < 3; color++) {
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
dest_scan++;
src_scan++;
}
- dest_scan++;
src_scan += src_gap;
}
} else {
@@ -1147,26 +1147,26 @@ inline void _CompositeRow_Rgb2Argb_NoBlend_Clip(uint8_t* dest_scan,
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
- *dest_alpha_scan++ = 255;
+ *dest_scan++ = 255;
src_scan += src_gap;
continue;
}
if (src_alpha == 0) {
- dest_scan += 3;
- dest_alpha_scan++;
+ dest_scan += 4;
src_scan += src_Bpp;
continue;
}
- int back_alpha = *dest_alpha_scan;
+ int back_alpha = dest_scan[3];
uint8_t dest_alpha =
back_alpha + src_alpha - back_alpha * src_alpha / 255;
- *dest_alpha_scan++ = dest_alpha;
+ dest_scan[3] = dest_alpha;
int alpha_ratio = src_alpha * 255 / dest_alpha;
for (int color = 0; color < 3; color++) {
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, *src_scan, alpha_ratio);
dest_scan++;
src_scan++;
}
+ dest_scan++;
src_scan += src_gap;
}
}
@@ -1176,7 +1176,16 @@ inline void _CompositeRow_Rgb2Argb_NoBlend_NoClip(uint8_t* dest_scan,
int width,
int src_Bpp,
uint8_t* dest_alpha_scan) {
- if (dest_alpha_scan == NULL) {
+ if (dest_alpha_scan) {
+ int src_gap = src_Bpp - 3;
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ *dest_alpha_scan++ = 0xff;
+ src_scan += src_gap;
+ }
+ } else {
for (int col = 0; col < width; col++) {
if (src_Bpp == 4) {
FXARGB_SETDIB(dest_scan, 0xff000000 | FXARGB_GETDIB(src_scan));
@@ -1187,15 +1196,6 @@ inline void _CompositeRow_Rgb2Argb_NoBlend_NoClip(uint8_t* dest_scan,
dest_scan += 4;
src_scan += src_Bpp;
}
- } else {
- int src_gap = src_Bpp - 3;
- for (int col = 0; col < width; col++) {
- *dest_scan++ = *src_scan++;
- *dest_scan++ = *src_scan++;
- *dest_scan++ = *src_scan++;
- *dest_alpha_scan++ = 0xff;
- src_scan += src_gap;
- }
}
}
inline void _CompositeRow_Argb2Rgb_Blend(uint8_t* dest_scan,
@@ -1208,17 +1208,17 @@ inline void _CompositeRow_Argb2Rgb_Blend(uint8_t* dest_scan,
int blended_colors[3];
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
int dest_gap = dest_Bpp - 3;
- if (src_alpha_scan == NULL) {
+ if (src_alpha_scan) {
for (int col = 0; col < width; col++) {
uint8_t src_alpha;
if (clip_scan) {
- src_alpha = src_scan[3] * (*clip_scan++) / 255;
+ src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
} else {
- src_alpha = src_scan[3];
+ src_alpha = *src_alpha_scan++;
}
if (src_alpha == 0) {
dest_scan += dest_Bpp;
- src_scan += 4;
+ src_scan += 3;
continue;
}
if (bNonseparableBlend) {
@@ -1234,19 +1234,18 @@ inline void _CompositeRow_Argb2Rgb_Blend(uint8_t* dest_scan,
src_scan++;
}
dest_scan += dest_gap;
- src_scan++;
}
} else {
for (int col = 0; col < width; col++) {
uint8_t src_alpha;
if (clip_scan) {
- src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
+ src_alpha = src_scan[3] * (*clip_scan++) / 255;
} else {
- src_alpha = *src_alpha_scan++;
+ src_alpha = src_scan[3];
}
if (src_alpha == 0) {
dest_scan += dest_Bpp;
- src_scan += 3;
+ src_scan += 4;
continue;
}
if (bNonseparableBlend) {
@@ -1262,6 +1261,7 @@ inline void _CompositeRow_Argb2Rgb_Blend(uint8_t* dest_scan,
src_scan++;
}
dest_scan += dest_gap;
+ src_scan++;
}
}
}
@@ -1272,25 +1272,24 @@ inline void _CompositeRow_Argb2Rgb_NoBlend(uint8_t* dest_scan,
const uint8_t* clip_scan,
const uint8_t* src_alpha_scan) {
int dest_gap = dest_Bpp - 3;
- if (src_alpha_scan == NULL) {
+ if (src_alpha_scan) {
for (int col = 0; col < width; col++) {
uint8_t src_alpha;
if (clip_scan) {
- src_alpha = src_scan[3] * (*clip_scan++) / 255;
+ src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
} else {
- src_alpha = src_scan[3];
+ src_alpha = *src_alpha_scan++;
}
if (src_alpha == 255) {
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
dest_scan += dest_gap;
- src_scan++;
continue;
}
if (src_alpha == 0) {
dest_scan += dest_Bpp;
- src_scan += 4;
+ src_scan += 3;
continue;
}
for (int color = 0; color < 3; color++) {
@@ -1299,26 +1298,26 @@ inline void _CompositeRow_Argb2Rgb_NoBlend(uint8_t* dest_scan,
src_scan++;
}
dest_scan += dest_gap;
- src_scan++;
}
} else {
for (int col = 0; col < width; col++) {
uint8_t src_alpha;
if (clip_scan) {
- src_alpha = (*src_alpha_scan++) * (*clip_scan++) / 255;
+ src_alpha = src_scan[3] * (*clip_scan++) / 255;
} else {
- src_alpha = *src_alpha_scan++;
+ src_alpha = src_scan[3];
}
if (src_alpha == 255) {
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
*dest_scan++ = *src_scan++;
dest_scan += dest_gap;
+ src_scan++;
continue;
}
if (src_alpha == 0) {
dest_scan += dest_Bpp;
- src_scan += 3;
+ src_scan += 4;
continue;
}
for (int color = 0; color < 3; color++) {
@@ -1327,6 +1326,7 @@ inline void _CompositeRow_Argb2Rgb_NoBlend(uint8_t* dest_scan,
src_scan++;
}
dest_scan += dest_gap;
+ src_scan++;
}
}
}
@@ -1451,7 +1451,9 @@ void _CompositeRow_Argb2Argb_Transform(uint8_t* dest_scan,
ICodec_IccModule* pIccModule =
CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
if (src_alpha_scan) {
- if (dest_alpha_scan == NULL) {
+ if (dest_alpha_scan) {
+ pIccModule->TranslateScanline(pIccTransform, dp, src_scan, pixel_count);
+ } else {
for (int col = 0; col < pixel_count; col++) {
pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
dp[3] = *src_alpha_scan++;
@@ -1459,18 +1461,9 @@ void _CompositeRow_Argb2Argb_Transform(uint8_t* dest_scan,
dp += 4;
}
src_alpha_scan = NULL;
- } else {
- pIccModule->TranslateScanline(pIccTransform, dp, src_scan, pixel_count);
}
} else {
- if (dest_alpha_scan == NULL) {
- for (int col = 0; col < pixel_count; col++) {
- pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
- dp[3] = src_scan[3];
- src_scan += 4;
- dp += 4;
- }
- } else {
+ if (dest_alpha_scan) {
int blended_colors[3];
FX_BOOL bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
for (int col = 0; col < pixel_count; col++) {
@@ -1495,10 +1488,10 @@ void _CompositeRow_Argb2Argb_Transform(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = src_scan[3];
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * src_scan[3] / 255;
+ } else {
+ src_alpha = src_scan[3];
}
src_scan += 4;
if (src_alpha == 0) {
@@ -1531,6 +1524,12 @@ void _CompositeRow_Argb2Argb_Transform(uint8_t* dest_scan,
}
return;
}
+ for (int col = 0; col < pixel_count; col++) {
+ pIccModule->TranslateScanline(pIccTransform, dp, src_scan, 1);
+ dp[3] = src_scan[3];
+ src_scan += 4;
+ dp += 4;
+ }
}
_CompositeRow_Argb2Argb(dest_scan, src_cache_scan, pixel_count, blend_type,
clip_scan, dest_alpha_scan, src_alpha_scan);
@@ -2007,7 +2006,7 @@ inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
for (int col = 0; col < pixel_count; col++) {
uint8_t gray = pPalette[*src_scan];
src_scan++;
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = gray;
*dest_alpha_scan++ = 255;
continue;
@@ -2037,7 +2036,7 @@ inline void _CompositeRow_8bppPal2Graya(uint8_t* dest_scan,
for (int col = 0; col < pixel_count; col++) {
uint8_t gray = pPalette[*src_scan];
src_scan++;
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = gray;
*dest_alpha_scan++ = 255;
continue;
@@ -2121,7 +2120,7 @@ inline void _CompositeRow_1bppPal2Graya(uint8_t* dest_scan,
(src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
? set_gray
: reset_gray;
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = gray;
*dest_alpha_scan++ = 255;
continue;
@@ -2153,7 +2152,7 @@ inline void _CompositeRow_1bppPal2Graya(uint8_t* dest_scan,
(src_scan[(col + src_left) / 8] & (1 << (7 - (col + src_left) % 8)))
? set_gray
: reset_gray;
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = gray;
*dest_alpha_scan++ = 255;
continue;
@@ -2309,10 +2308,10 @@ inline void _CompositeRow_8bppRgb2Argb_NoBlend(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = *src_alpha_scan++;
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
+ } else {
+ src_alpha = *src_alpha_scan++;
}
if (src_alpha == 0) {
dest_scan += 4;
@@ -2336,7 +2335,7 @@ inline void _CompositeRow_8bppRgb2Argb_NoBlend(uint8_t* dest_scan,
int src_r = FXARGB_R(argb);
int src_g = FXARGB_G(argb);
int src_b = FXARGB_B(argb);
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = src_b;
*dest_scan++ = src_g;
*dest_scan++ = src_r;
@@ -2394,10 +2393,10 @@ void _CompositeRow_8bppRgb2Rgba_NoBlend(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = *src_alpha_scan++;
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * (*src_alpha_scan++) / 255;
+ } else {
+ src_alpha = *src_alpha_scan++;
}
if (src_alpha == 0) {
dest_scan += 3;
@@ -2421,7 +2420,7 @@ void _CompositeRow_8bppRgb2Rgba_NoBlend(uint8_t* dest_scan,
int src_r = FXARGB_R(argb);
int src_g = FXARGB_G(argb);
int src_b = FXARGB_B(argb);
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = src_b;
*dest_scan++ = src_g;
*dest_scan++ = src_r;
@@ -2475,7 +2474,7 @@ inline void _CompositeRow_1bppRgb2Argb_NoBlend(uint8_t* dest_scan,
src_g = reset_g;
src_b = reset_b;
}
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = src_b;
*dest_scan++ = src_g;
*dest_scan++ = src_r;
@@ -2526,7 +2525,7 @@ void _CompositeRow_1bppRgb2Rgba_NoBlend(uint8_t* dest_scan,
src_g = reset_g;
src_b = reset_b;
}
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
*dest_scan++ = src_b;
*dest_scan++ = src_g;
*dest_scan++ = src_r;
@@ -2823,8 +2822,7 @@ void _CompositeRow_BitMask2Argb(uint8_t* dest_scan,
int pixel_count,
int blend_type,
const uint8_t* clip_scan) {
- if (blend_type == FXDIB_BLEND_NORMAL && clip_scan == NULL &&
- mask_alpha == 255) {
+ if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
FX_ARGB argb = FXARGB_MAKE(0xff, src_r, src_g, src_b);
for (int col = 0; col < pixel_count; col++) {
if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
@@ -2902,8 +2900,7 @@ void _CompositeRow_BitMask2Rgba(uint8_t* dest_scan,
int blend_type,
const uint8_t* clip_scan,
uint8_t* dest_alpha_scan) {
- if (blend_type == FXDIB_BLEND_NORMAL && clip_scan == NULL &&
- mask_alpha == 255) {
+ if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
for (int col = 0; col < pixel_count; col++) {
if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
dest_scan[0] = src_b;
@@ -2989,8 +2986,7 @@ void _CompositeRow_BitMask2Rgb(uint8_t* dest_scan,
int blend_type,
int Bpp,
const uint8_t* clip_scan) {
- if (blend_type == FXDIB_BLEND_NORMAL && clip_scan == NULL &&
- mask_alpha == 255) {
+ if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
for (int col = 0; col < pixel_count; col++) {
if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
dest_scan[2] = src_r;
@@ -3159,10 +3155,10 @@ void _CompositeRow_Argb2Argb_RgbByteOrder(uint8_t* dest_scan,
continue;
}
uint8_t src_alpha;
- if (clip_scan == NULL) {
- src_alpha = src_scan[3];
- } else {
+ if (clip_scan) {
src_alpha = clip_scan[col] * src_scan[3] / 255;
+ } else {
+ src_alpha = src_scan[3];
}
if (src_alpha == 0) {
dest_scan += 4;
@@ -3623,7 +3619,7 @@ inline void _CompositeRow_8bppRgb2Argb_NoBlend_RgbByteOrder(
} else {
src_r = src_g = src_b = *src_scan;
}
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
dest_scan[2] = FX_GAMMA(src_b);
dest_scan[1] = FX_GAMMA(src_g);
dest_scan[0] = FX_GAMMA(src_r);
@@ -3683,7 +3679,7 @@ inline void _CompositeRow_1bppRgb2Argb_NoBlend_RgbByteOrder(
src_g = reset_g;
src_b = reset_b;
}
- if (clip_scan == NULL || clip_scan[col] == 255) {
+ if (!clip_scan || clip_scan[col] == 255) {
dest_scan[2] = FX_GAMMA(src_b);
dest_scan[1] = FX_GAMMA(src_g);
dest_scan[0] = FX_GAMMA(src_r);
@@ -3837,8 +3833,7 @@ void _CompositeRow_BitMask2Argb_RgbByteOrder(uint8_t* dest_scan,
int pixel_count,
int blend_type,
const uint8_t* clip_scan) {
- if (blend_type == FXDIB_BLEND_NORMAL && clip_scan == NULL &&
- mask_alpha == 255) {
+ if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
FX_ARGB argb = FXARGB_MAKE(0xff, src_r, src_g, src_b);
for (int col = 0; col < pixel_count; col++) {
if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
@@ -3915,8 +3910,7 @@ void _CompositeRow_BitMask2Rgb_RgbByteOrder(uint8_t* dest_scan,
int blend_type,
int Bpp,
const uint8_t* clip_scan) {
- if (blend_type == FXDIB_BLEND_NORMAL && clip_scan == NULL &&
- mask_alpha == 255) {
+ if (blend_type == FXDIB_BLEND_NORMAL && !clip_scan && mask_alpha == 255) {
for (int col = 0; col < pixel_count; col++) {
if (src_scan[(src_left + col) / 8] & (1 << (7 - (src_left + col) % 8))) {
dest_scan[2] = src_b;
@@ -4215,7 +4209,7 @@ FX_BOOL CFX_ScanlineCompositor::Init(FXDIB_Format dest_format,
if (CFX_GEModule::Get()->GetCodecModule()) {
pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
}
- if (pIccModule == NULL) {
+ if (!pIccModule) {
pIccTransform = NULL;
}
m_pIccTransform = pIccTransform;
@@ -4227,8 +4221,7 @@ FX_BOOL CFX_ScanlineCompositor::Init(FXDIB_Format dest_format,
dest_format, alpha_flag, mask_color, m_MaskAlpha, m_MaskRed,
m_MaskGreen, m_MaskBlue, m_MaskBlack, pIccModule, pIccTransform);
}
- if (pIccTransform == NULL && (~src_format & 0x0400) &&
- (dest_format & 0x0400)) {
+ if (!pIccTransform && (~src_format & 0x0400) && (dest_format & 0x0400)) {
return FALSE;
}
if ((m_SrcFormat & 0xff) <= 8) {
@@ -4662,7 +4655,7 @@ FX_BOOL CFX_DIBitmap::CompositeBitmap(int dest_left,
const CFX_ClipRgn* pClipRgn,
FX_BOOL bRgbByteOrder,
void* pIccTransform) {
- if (m_pBuffer == NULL) {
+ if (!m_pBuffer) {
return FALSE;
}
ASSERT(!pSrcBitmap->IsAlphaMask());
@@ -4735,7 +4728,7 @@ FX_BOOL CFX_DIBitmap::CompositeMask(int dest_left,
FX_BOOL bRgbByteOrder,
int alpha_flag,
void* pIccTransform) {
- if (m_pBuffer == NULL) {
+ if (!m_pBuffer) {
return FALSE;
}
ASSERT(pMask->IsAlphaMask());
@@ -4799,7 +4792,7 @@ FX_BOOL CFX_DIBitmap::CompositeRect(int left,
FX_DWORD color,
int alpha_flag,
void* pIccTransform) {
- if (m_pBuffer == NULL) {
+ if (!m_pBuffer) {
return FALSE;
}
int src_alpha = (alpha_flag >> 8) ? (alpha_flag & 0xff) : FXARGB_A(color);
@@ -4859,13 +4852,14 @@ FX_BOOL CFX_DIBitmap::CompositeRect(int left,
int right_shift = rect.right % 8;
int width = rect.right / 8 - rect.left / 8;
int index = 0;
- if (m_pPalette == NULL) {
- index = ((uint8_t)color == 0xff) ? 1 : 0;
- } else {
- for (int i = 0; i < 2; i++)
+ if (m_pPalette) {
+ for (int i = 0; i < 2; i++) {
if (m_pPalette[i] == color) {
index = i;
}
+ }
+ } else {
+ index = ((uint8_t)color == 0xff) ? 1 : 0;
}
for (int row = rect.top; row < rect.bottom; row++) {
uint8_t* dest_scan_top = (uint8_t*)GetScanline(row) + rect.left / 8;
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