summaryrefslogtreecommitdiff
path: root/core/fxge/dib
diff options
context:
space:
mode:
Diffstat (limited to 'core/fxge/dib')
-rw-r--r--core/fxge/dib/fx_dib_composite.cpp193
1 files changed, 60 insertions, 133 deletions
diff --git a/core/fxge/dib/fx_dib_composite.cpp b/core/fxge/dib/fx_dib_composite.cpp
index ea8e2989a7..33e638216e 100644
--- a/core/fxge/dib/fx_dib_composite.cpp
+++ b/core/fxge/dib/fx_dib_composite.cpp
@@ -181,14 +181,14 @@ void CompositeRow_AlphaToMask(uint8_t* dest_scan,
const uint8_t* clip_scan,
uint8_t stride) {
src_scan += stride - 1;
- for (int col = 0; col < pixel_count; col++) {
+ for (int col = 0; col < pixel_count; ++col) {
int src_alpha = GetAlpha(*src_scan, clip_scan, col);
uint8_t back_alpha = *dest_scan;
if (!back_alpha)
*dest_scan = src_alpha;
else if (src_alpha)
*dest_scan = back_alpha + src_alpha - back_alpha * src_alpha / 255;
- dest_scan++;
+ ++dest_scan;
src_scan += stride;
}
}
@@ -201,16 +201,16 @@ void CompositeRow_Rgb2Mask(uint8_t* dest_scan,
FXSYS_memset(dest_scan, 0xff, width);
return;
}
- for (int i = 0; i < width; i++) {
+ for (int i = 0; i < width; ++i) {
*dest_scan = FXDIB_ALPHA_UNION(*dest_scan, *clip_scan);
- dest_scan++;
- clip_scan++;
+ ++dest_scan;
+ ++clip_scan;
}
}
-int GetGray(void* pIccTransform,
- CCodec_IccModule* pIccModule,
- const uint8_t* src_scan) {
+uint8_t GetGray(void* pIccTransform,
+ CCodec_IccModule* pIccModule,
+ const uint8_t* src_scan) {
if (!pIccTransform)
return FXRGB2GRAY(src_scan[2], src_scan[1], *src_scan);
@@ -219,6 +219,19 @@ int GetGray(void* pIccTransform,
return gray;
}
+uint8_t GetGrayWithBlend(void* pIccTransform,
+ CCodec_IccModule* pIccModule,
+ const uint8_t* src_scan,
+ const uint8_t* dest_scan,
+ int blend_type) {
+ uint8_t gray = GetGray(pIccTransform, pIccModule, src_scan);
+ if (blend_type >= FXDIB_BLEND_NONSEPARABLE)
+ gray = blend_type == FXDIB_BLEND_LUMINOSITY ? gray : *dest_scan;
+ else if (blend_type)
+ gray = Blend(blend_type, *dest_scan, gray);
+ return gray;
+}
+
void CompositeRow_Argb2Graya(uint8_t* dest_scan,
const uint8_t* src_scan,
int pixel_count,
@@ -231,7 +244,7 @@ void CompositeRow_Argb2Graya(uint8_t* dest_scan,
if (pIccTransform)
pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
uint8_t offset = src_alpha_scan ? 3 : 4;
- for (int col = 0; col < pixel_count; col++) {
+ for (int col = 0; col < pixel_count; ++col) {
const uint8_t* alpha_scan =
src_alpha_scan ? src_alpha_scan++ : &src_scan[3];
uint8_t back_alpha = *dst_alpha_scan;
@@ -241,15 +254,15 @@ void CompositeRow_Argb2Graya(uint8_t* dest_scan,
*dest_scan = GetGray(pIccTransform, pIccModule, src_scan);
*dst_alpha_scan = src_alpha;
}
- dest_scan++;
- dst_alpha_scan++;
+ ++dest_scan;
+ ++dst_alpha_scan;
src_scan += offset;
continue;
}
uint8_t src_alpha = GetAlpha(*alpha_scan, clip_scan, col);
if (src_alpha == 0) {
- dest_scan++;
- dst_alpha_scan++;
+ ++dest_scan;
+ ++dst_alpha_scan;
src_scan += offset;
continue;
}
@@ -264,8 +277,8 @@ void CompositeRow_Argb2Graya(uint8_t* dest_scan,
gray = Blend(blend_type, *dest_scan, gray);
}
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
- dest_scan++;
- dst_alpha_scan++;
+ ++dest_scan;
+ ++dst_alpha_scan;
src_scan += offset;
}
}
@@ -282,63 +295,18 @@ void CompositeRow_Argb2Gray(uint8_t* dest_scan,
if (pIccTransform)
pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- if (blend_type) {
- bool bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- if (src_alpha_scan) {
- for (int col = 0; col < pixel_count; col++) {
- int src_alpha = GetAlpha(*src_alpha_scan++, clip_scan, col);
- if (src_alpha) {
- gray = GetGray(pIccTransform, pIccModule, src_scan);
-
- 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++;
- src_scan += 3;
- }
- return;
- }
- for (int col = 0; col < pixel_count; col++) {
- int src_alpha = GetAlpha(src_scan[3], clip_scan, col);
- if (src_alpha) {
- gray = GetGray(pIccTransform, pIccModule, src_scan);
-
- 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++;
- src_scan += 4;
- }
- return;
- }
- if (src_alpha_scan) {
- for (int col = 0; col < pixel_count; col++) {
- int src_alpha = GetAlpha(*src_alpha_scan++, clip_scan, col);
- if (src_alpha) {
- gray = GetGray(pIccTransform, pIccModule, src_scan);
-
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
- }
- dest_scan++;
- src_scan += 3;
- }
- return;
- }
- for (int col = 0; col < pixel_count; col++) {
- int src_alpha = GetAlpha(src_scan[3], clip_scan, col);
+ uint8_t offset = src_alpha_scan ? 3 : 4;
+ for (int col = 0; col < pixel_count; ++col) {
+ const uint8_t* alpha_scan =
+ src_alpha_scan ? src_alpha_scan++ : &src_scan[3];
+ int src_alpha = GetAlpha(*alpha_scan, clip_scan, col);
if (src_alpha) {
- gray = GetGray(pIccTransform, pIccModule, src_scan);
-
+ gray = GetGrayWithBlend(pIccTransform, pIccModule, src_scan, dest_scan,
+ blend_type);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, src_alpha);
}
- dest_scan++;
- src_scan += 4;
+ ++dest_scan;
+ src_scan += offset;
}
}
@@ -353,30 +321,14 @@ void CompositeRow_Rgb2Gray(uint8_t* dest_scan,
uint8_t gray;
if (pIccTransform)
pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- if (blend_type) {
- bool bNonseparableBlend = blend_type >= FXDIB_BLEND_NONSEPARABLE;
- for (int col = 0; col < pixel_count; col++) {
- gray = GetGray(pIccTransform, pIccModule, src_scan);
- 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
- *dest_scan = gray;
- dest_scan++;
- src_scan += src_Bpp;
- }
- return;
- }
- for (int col = 0; col < pixel_count; col++) {
- gray = GetGray(pIccTransform, pIccModule, src_scan);
+ for (int col = 0; col < pixel_count; ++col) {
+ gray = GetGrayWithBlend(pIccTransform, pIccModule, src_scan, dest_scan,
+ blend_type);
if (clip_scan && clip_scan[col] < 255)
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, clip_scan[col]);
else
*dest_scan = gray;
- dest_scan++;
+ ++dest_scan;
src_scan += src_Bpp;
}
}
@@ -392,64 +344,39 @@ void CompositeRow_Rgb2Graya(uint8_t* dest_scan,
CCodec_IccModule* pIccModule = nullptr;
if (pIccTransform)
pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- if (blend_type) {
- for (int col = 0; col < pixel_count; col++) {
- int back_alpha = *dest_alpha_scan;
- if (back_alpha == 0) {
- *dest_scan = GetGray(pIccTransform, pIccModule, src_scan);
- dest_scan++;
- dest_alpha_scan++;
- src_scan += src_Bpp;
- continue;
- }
- int src_alpha = 255;
- if (clip_scan)
- src_alpha = clip_scan[col];
- if (src_alpha == 0) {
- dest_scan++;
- dest_alpha_scan++;
- src_scan += src_Bpp;
- continue;
- }
- uint8_t dest_alpha =
- back_alpha + src_alpha - back_alpha * src_alpha / 255;
- *dest_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- uint8_t gray = GetGray(pIccTransform, pIccModule, src_scan);
- if (blend_type >= FXDIB_BLEND_NONSEPARABLE)
- 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++;
+ for (int col = 0; col < pixel_count; ++col) {
+ if (blend_type && *dest_alpha_scan == 0) {
+ *dest_scan = GetGray(pIccTransform, pIccModule, src_scan);
+ ++dest_scan;
+ ++dest_alpha_scan;
src_scan += src_Bpp;
+ continue;
}
- return;
- }
- for (int col = 0; col < pixel_count; col++) {
- int src_alpha = 255;
- if (clip_scan)
- src_alpha = clip_scan[col];
+ int src_alpha = clip_scan ? clip_scan[col] : 255;
if (src_alpha == 255) {
- *dest_scan = GetGray(pIccTransform, pIccModule, src_scan);
- dest_scan++;
- *dest_alpha_scan++ = 255;
+ *dest_scan = GetGrayWithBlend(pIccTransform, pIccModule, src_scan,
+ dest_scan, blend_type);
+ ++dest_scan;
+ *dest_alpha_scan = 255;
+ ++dest_alpha_scan;
src_scan += src_Bpp;
continue;
}
if (src_alpha == 0) {
- dest_scan++;
- dest_alpha_scan++;
+ ++dest_scan;
+ ++dest_alpha_scan;
src_scan += src_Bpp;
continue;
}
int back_alpha = *dest_alpha_scan;
uint8_t dest_alpha = back_alpha + src_alpha - back_alpha * src_alpha / 255;
- *dest_alpha_scan++ = dest_alpha;
+ *dest_alpha_scan = dest_alpha;
+ ++dest_alpha_scan;
int alpha_ratio = src_alpha * 255 / dest_alpha;
- uint8_t gray = GetGray(pIccTransform, pIccModule, src_scan);
+ uint8_t gray = GetGrayWithBlend(pIccTransform, pIccModule, src_scan,
+ dest_scan, blend_type);
*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, alpha_ratio);
- dest_scan++;
+ ++dest_scan;
src_scan += src_Bpp;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 09:20:17 +0000