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path: root/core/fxge/dib/cfx_dibitmap.cpp
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Diffstat (limited to 'core/fxge/dib/cfx_dibitmap.cpp')
-rw-r--r--core/fxge/dib/cfx_dibitmap.cpp271
1 files changed, 26 insertions, 245 deletions
diff --git a/core/fxge/dib/cfx_dibitmap.cpp b/core/fxge/dib/cfx_dibitmap.cpp
index 209fe93f12..61eba3fd74 100644
--- a/core/fxge/dib/cfx_dibitmap.cpp
+++ b/core/fxge/dib/cfx_dibitmap.cpp
@@ -18,6 +18,12 @@
#define MAX_OOM_LIMIT 12000000
+namespace {
+
+const int8_t g_ChannelOffset[] = {0, 2, 1, 0, 0, 1, 2, 3, 3};
+
+} // namespace
+
CFX_DIBitmap::CFX_DIBitmap() {
m_pPalette = nullptr;
#ifdef _SKIA_SUPPORT_PATHS_
@@ -238,118 +244,6 @@ bool CFX_DIBitmap::TransferBitmap(
return true;
}
-bool CFX_DIBitmap::TransferMask(int dest_left,
- int dest_top,
- int width,
- int height,
- const CFX_RetainPtr<CFX_DIBSource>& pMask,
- uint32_t color,
- int src_left,
- int src_top,
- int alpha_flag,
- void* pIccTransform) {
- if (!m_pBuffer)
- return false;
-
- ASSERT(HasAlpha() && (m_bpp >= 24));
- ASSERT(pMask->IsAlphaMask());
- if (!HasAlpha() || !pMask->IsAlphaMask() || m_bpp < 24)
- return false;
-
- GetOverlapRect(dest_left, dest_top, width, height, pMask->GetWidth(),
- pMask->GetHeight(), src_left, src_top, nullptr);
- if (width == 0 || height == 0)
- return true;
-
- int src_bpp = pMask->GetBPP();
- int alpha;
- uint32_t dst_color;
- if (alpha_flag >> 8) {
- alpha = alpha_flag & 0xff;
- dst_color = FXCMYK_TODIB(color);
- } else {
- alpha = FXARGB_A(color);
- dst_color = FXARGB_TODIB(color);
- }
- uint8_t* color_p = (uint8_t*)&dst_color;
- if (pIccTransform && CFX_GEModule::Get()->GetCodecModule() &&
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- CCodec_IccModule* pIccModule =
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- pIccModule->TranslateScanline(pIccTransform, color_p, color_p, 1);
- } else {
- if (alpha_flag >> 8 && !IsCmykImage()) {
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
- FXSYS_GetYValue(color), FXSYS_GetKValue(color),
- color_p[2], color_p[1], color_p[0]);
- } else if (!(alpha_flag >> 8) && IsCmykImage()) {
- return false;
- }
- }
- if (!IsCmykImage()) {
- color_p[3] = (uint8_t)alpha;
- }
- if (GetFormat() == FXDIB_Argb) {
- for (int row = 0; row < height; row++) {
- uint32_t* dest_pos = reinterpret_cast<uint32_t*>(
- m_pBuffer.Get() + (dest_top + row) * m_Pitch + dest_left * 4);
- const uint8_t* src_scan = pMask->GetScanline(src_top + row);
- if (src_bpp == 1) {
- for (int col = 0; col < width; col++) {
- int src_bitpos = src_left + col;
- if (src_scan[src_bitpos / 8] & (1 << (7 - src_bitpos % 8))) {
- *dest_pos = dst_color;
- } else {
- *dest_pos = 0;
- }
- dest_pos++;
- }
- } else {
- src_scan += src_left;
- dst_color = FXARGB_TODIB(dst_color);
- dst_color &= 0xffffff;
- for (int col = 0; col < width; col++) {
- FXARGB_SETDIB(dest_pos++,
- dst_color | ((alpha * (*src_scan++) / 255) << 24));
- }
- }
- }
- } else {
- int comps = m_bpp / 8;
- for (int row = 0; row < height; row++) {
- uint8_t* dest_color_pos =
- m_pBuffer.Get() + (dest_top + row) * m_Pitch + dest_left * comps;
- uint8_t* dest_alpha_pos =
- const_cast<uint8_t*>(m_pAlphaMask->GetScanline(dest_top + row)) +
- dest_left;
- const uint8_t* src_scan = pMask->GetScanline(src_top + row);
- if (src_bpp == 1) {
- for (int col = 0; col < width; col++) {
- int src_bitpos = src_left + col;
- if (src_scan[src_bitpos / 8] & (1 << (7 - src_bitpos % 8))) {
- memcpy(dest_color_pos, color_p, comps);
- *dest_alpha_pos = 0xff;
- } else {
- memset(dest_color_pos, 0, comps);
- *dest_alpha_pos = 0;
- }
- dest_color_pos += comps;
- dest_alpha_pos++;
- }
- } else {
- src_scan += src_left;
- for (int col = 0; col < width; col++) {
- memcpy(dest_color_pos, color_p, comps);
- dest_color_pos += comps;
- *dest_alpha_pos++ = (alpha * (*src_scan++) / 255);
- }
- }
- }
- }
- return true;
-}
-
-const int g_ChannelOffset[] = {0, 2, 1, 0, 0, 1, 2, 3, 3};
bool CFX_DIBitmap::LoadChannel(FXDIB_Channel destChannel,
const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
FXDIB_Channel srcChannel) {
@@ -573,101 +467,6 @@ bool CFX_DIBitmap::MultiplyAlpha(
return true;
}
-bool CFX_DIBitmap::GetGrayData(void* pIccTransform) {
- if (!m_pBuffer)
- return false;
-
- switch (GetFormat()) {
- case FXDIB_1bppRgb: {
- if (!m_pPalette)
- return false;
-
- uint8_t gray[2];
- for (int i = 0; i < 2; i++) {
- int r = static_cast<uint8_t>(m_pPalette.get()[i] >> 16);
- int g = static_cast<uint8_t>(m_pPalette.get()[i] >> 8);
- int b = static_cast<uint8_t>(m_pPalette.get()[i]);
- gray[i] = static_cast<uint8_t>(FXRGB2GRAY(r, g, b));
- }
- auto pMask = pdfium::MakeRetain<CFX_DIBitmap>();
- if (!pMask->Create(m_Width, m_Height, FXDIB_8bppMask))
- return false;
-
- memset(pMask->GetBuffer(), gray[0], pMask->GetPitch() * m_Height);
- for (int row = 0; row < m_Height; row++) {
- uint8_t* src_pos = m_pBuffer.Get() + row * m_Pitch;
- uint8_t* dest_pos = const_cast<uint8_t*>(pMask->GetScanline(row));
- for (int col = 0; col < m_Width; col++) {
- if (src_pos[col / 8] & (1 << (7 - col % 8)))
- *dest_pos = gray[1];
- dest_pos++;
- }
- }
- TakeOver(std::move(pMask));
- break;
- }
- case FXDIB_8bppRgb: {
- if (!m_pPalette)
- return false;
-
- uint8_t gray[256];
- for (int i = 0; i < 256; i++) {
- int r = static_cast<uint8_t>(m_pPalette.get()[i] >> 16);
- int g = static_cast<uint8_t>(m_pPalette.get()[i] >> 8);
- int b = static_cast<uint8_t>(m_pPalette.get()[i]);
- gray[i] = static_cast<uint8_t>(FXRGB2GRAY(r, g, b));
- }
- auto pMask = pdfium::MakeRetain<CFX_DIBitmap>();
- if (!pMask->Create(m_Width, m_Height, FXDIB_8bppMask))
- return false;
-
- for (int row = 0; row < m_Height; row++) {
- uint8_t* dest_pos = pMask->GetBuffer() + row * pMask->GetPitch();
- uint8_t* src_pos = m_pBuffer.Get() + row * m_Pitch;
- for (int col = 0; col < m_Width; col++)
- *dest_pos++ = gray[*src_pos++];
- }
- TakeOver(std::move(pMask));
- break;
- }
- case FXDIB_Rgb: {
- auto pMask = pdfium::MakeRetain<CFX_DIBitmap>();
- if (!pMask->Create(m_Width, m_Height, FXDIB_8bppMask))
- return false;
-
- for (int row = 0; row < m_Height; row++) {
- uint8_t* src_pos = m_pBuffer.Get() + row * m_Pitch;
- uint8_t* dest_pos = pMask->GetBuffer() + row * pMask->GetPitch();
- for (int col = 0; col < m_Width; col++) {
- *dest_pos++ = FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos);
- src_pos += 3;
- }
- }
- TakeOver(std::move(pMask));
- break;
- }
- case FXDIB_Rgb32: {
- auto pMask = pdfium::MakeRetain<CFX_DIBitmap>();
- if (!pMask->Create(m_Width, m_Height, FXDIB_8bppMask))
- return false;
-
- for (int row = 0; row < m_Height; row++) {
- uint8_t* src_pos = m_pBuffer.Get() + row * m_Pitch;
- uint8_t* dest_pos = pMask->GetBuffer() + row * pMask->GetPitch();
- for (int col = 0; col < m_Width; col++) {
- *dest_pos++ = FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos);
- src_pos += 4;
- }
- }
- TakeOver(std::move(pMask));
- break;
- }
- default:
- return false;
- }
- return true;
-}
-
bool CFX_DIBitmap::MultiplyAlpha(int alpha) {
if (!m_pBuffer)
return false;
@@ -1034,8 +833,7 @@ bool CFX_DIBitmap::CompositeBitmap(
int src_top,
int blend_type,
const CFX_ClipRgn* pClipRgn,
- bool bRgbByteOrder,
- void* pIccTransform) {
+ bool bRgbByteOrder) {
if (!m_pBuffer)
return false;
@@ -1059,7 +857,7 @@ bool CFX_DIBitmap::CompositeBitmap(
CFX_ScanlineCompositor compositor;
if (!compositor.Init(GetFormat(), pSrcBitmap->GetFormat(), width,
pSrcBitmap->GetPalette(), 0, blend_type,
- pClipMask != nullptr, bRgbByteOrder, 0, pIccTransform)) {
+ pClipMask != nullptr, bRgbByteOrder, 0)) {
return false;
}
int dest_Bpp = m_bpp / 8;
@@ -1108,8 +906,7 @@ bool CFX_DIBitmap::CompositeMask(int dest_left,
int blend_type,
const CFX_ClipRgn* pClipRgn,
bool bRgbByteOrder,
- int alpha_flag,
- void* pIccTransform) {
+ int alpha_flag) {
if (!m_pBuffer)
return false;
@@ -1140,7 +937,7 @@ bool CFX_DIBitmap::CompositeMask(int dest_left,
CFX_ScanlineCompositor compositor;
if (!compositor.Init(GetFormat(), pMask->GetFormat(), width, nullptr, color,
blend_type, pClipMask != nullptr, bRgbByteOrder,
- alpha_flag, pIccTransform)) {
+ alpha_flag)) {
return false;
}
for (int row = 0; row < height; row++) {
@@ -1173,8 +970,7 @@ bool CFX_DIBitmap::CompositeRect(int left,
int width,
int height,
uint32_t color,
- int alpha_flag,
- void* pIccTransform) {
+ int alpha_flag) {
if (!m_pBuffer)
return false;
@@ -1197,20 +993,15 @@ bool CFX_DIBitmap::CompositeRect(int left,
if (m_bpp == 8) {
uint8_t gray = 255;
if (!IsAlphaMask()) {
- if (pIccTransform && CFX_GEModule::Get()->GetCodecModule() &&
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- CCodec_IccModule* pIccModule =
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- pIccModule->TranslateScanline(pIccTransform, &gray, color_p, 1);
+ if (alpha_flag >> 8) {
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ AdobeCMYK_to_sRGB1(color_p[0], color_p[1], color_p[2], color_p[3], r, g,
+ b);
+ gray = FXRGB2GRAY(r, g, b);
} else {
- if (alpha_flag >> 8) {
- uint8_t r, g, b;
- AdobeCMYK_to_sRGB1(color_p[0], color_p[1], color_p[2], color_p[3], r,
- g, b);
- gray = FXRGB2GRAY(r, g, b);
- } else {
- gray = (uint8_t)FXRGB2GRAY((int)color_p[2], color_p[1], color_p[0]);
- }
+ gray = (uint8_t)FXRGB2GRAY((int)color_p[2], color_p[1], color_p[0]);
}
if (IsCmykImage()) {
gray = ~gray;
@@ -1270,25 +1061,15 @@ bool CFX_DIBitmap::CompositeRect(int left,
return true;
}
ASSERT(m_bpp >= 24);
- if (m_bpp < 24) {
+ if (m_bpp < 24 || (!(alpha_flag >> 8) && IsCmykImage()))
return false;
+ if (alpha_flag >> 8 && !IsCmykImage()) {
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color),
+ color_p[2], color_p[1], color_p[0]);
}
- if (pIccTransform && CFX_GEModule::Get()->GetCodecModule()) {
- CCodec_IccModule* pIccModule =
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- pIccModule->TranslateScanline(pIccTransform, color_p, color_p, 1);
- } else {
- if (alpha_flag >> 8 && !IsCmykImage()) {
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
- FXSYS_GetYValue(color), FXSYS_GetKValue(color),
- color_p[2], color_p[1], color_p[0]);
- } else if (!(alpha_flag >> 8) && IsCmykImage()) {
- return false;
- }
- }
- if (!IsCmykImage()) {
- color_p[3] = (uint8_t)src_alpha;
- }
+ if (!IsCmykImage())
+ color_p[3] = static_cast<uint8_t>(src_alpha);
int Bpp = m_bpp / 8;
bool bAlpha = HasAlpha();
bool bArgb = GetFormat() == FXDIB_Argb;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 07:53:11 +0000