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-rw-r--r--core/fxge/agg/fx_agg_driver.cpp1628
1 files changed, 798 insertions, 830 deletions
diff --git a/core/fxge/agg/fx_agg_driver.cpp b/core/fxge/agg/fx_agg_driver.cpp
index 982b61e269..5ab48a95fe 100644
--- a/core/fxge/agg/fx_agg_driver.cpp
+++ b/core/fxge/agg/fx_agg_driver.cpp
@@ -10,16 +10,11 @@
#include <utility>
#include "core/fxcodec/fx_codec.h"
-#include "core/fxcrt/fx_memory.h"
#include "core/fxge/cfx_fxgedevice.h"
#include "core/fxge/cfx_gemodule.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_pathdata.h"
-#include "core/fxge/cfx_renderdevice.h"
-#include "core/fxge/dib/dib_int.h"
#include "core/fxge/ge/cfx_cliprgn.h"
-#include "core/fxge/ge/fx_text_int.h"
-#include "core/fxge/ifx_renderdevicedriver.h"
#include "third_party/agg23/agg_conv_dash.h"
#include "third_party/agg23/agg_conv_stroke.h"
#include "third_party/agg23/agg_curves.h"
@@ -71,6 +66,7 @@ void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap,
int src_g = FXARGB_G(argb);
int src_b = FXARGB_B(argb);
int Bpp = pBitmap->GetBPP() / 8;
+ int dib_argb = FXARGB_TOBGRORDERDIB(argb);
uint8_t* pBuffer = pBitmap->GetBuffer();
if (src_alpha == 255) {
for (int row = rect.top; row < rect.bottom; row++) {
@@ -79,7 +75,7 @@ void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap,
if (Bpp == 4) {
uint32_t* scan = reinterpret_cast<uint32_t*>(dest_scan);
for (int col = 0; col < width; col++)
- *scan++ = FXARGB_TOBGRORDERDIB(argb);
+ *scan++ = dib_argb;
} else {
for (int col = 0; col < width; col++) {
*dest_scan++ = src_r;
@@ -90,9 +86,10 @@ void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap,
}
return;
}
+ bool bAlpha = pBitmap->HasAlpha();
for (int row = rect.top; row < rect.bottom; row++) {
uint8_t* dest_scan = pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp;
- if (pBitmap->HasAlpha()) {
+ if (bAlpha) {
for (int col = 0; col < width; col++) {
uint8_t back_alpha = dest_scan[3];
if (back_alpha == 0) {
@@ -332,6 +329,788 @@ void RasterizeStroke(agg::rasterizer_scanline_aa* rasterizer,
rasterizer->add_path_transformed(stroke, pObject2Device);
}
+class CFX_Renderer {
+ public:
+ // Needed for agg caller
+ void prepare(unsigned) {}
+
+ void CompositeSpan(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ bool bDestAlpha,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan);
+
+ void CompositeSpan1bpp(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan);
+
+ void CompositeSpanGray(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan);
+
+ void CompositeSpanARGB(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan);
+
+ void CompositeSpanRGB(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan);
+
+ void CompositeSpanCMYK(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan);
+
+ bool Init(CFX_DIBitmap* pDevice,
+ CFX_DIBitmap* pOriDevice,
+ const CFX_ClipRgn* pClipRgn,
+ uint32_t color,
+ bool bFullCover,
+ bool bRgbByteOrder,
+ int alpha_flag,
+ void* pIccTransform);
+
+ template <class Scanline>
+ void render(const Scanline& sl);
+
+ private:
+ void (CFX_Renderer::*composite_span)(uint8_t*,
+ int,
+ int,
+ int,
+ uint8_t*,
+ int,
+ int,
+ uint8_t*,
+ uint8_t*);
+
+ void CompositeSpan1bppHelper(uint8_t* dest_scan,
+ int col_start,
+ int col_end,
+ const uint8_t* cover_scan,
+ const uint8_t* clip_scan,
+ int span_left);
+
+ inline int GetSrcAlpha(const uint8_t* clip_scan, int col) const {
+ return clip_scan ? m_Alpha * clip_scan[col] / 255 : m_Alpha;
+ }
+
+ inline int GetSourceAlpha(const uint8_t* cover_scan,
+ const uint8_t* clip_scan,
+ int col) const {
+ return clip_scan ? m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255
+ : m_Alpha * cover_scan[col] / 255;
+ }
+
+ inline int GetColStart(int span_left, int clip_left) const {
+ return span_left < clip_left ? clip_left - span_left : 0;
+ }
+
+ inline int GetColEnd(int span_left, int span_len, int clip_right) const {
+ return span_left + span_len < clip_right ? span_len
+ : clip_right - span_left;
+ }
+
+ int m_Alpha;
+ int m_Red;
+ int m_Green;
+ int m_Blue;
+ int m_Gray;
+ uint32_t m_Color;
+ bool m_bFullCover;
+ bool m_bRgbByteOrder;
+ CFX_DIBitmap* m_pOriDevice;
+ FX_RECT m_ClipBox;
+ const CFX_DIBitmap* m_pClipMask;
+ CFX_DIBitmap* m_pDevice;
+ const CFX_ClipRgn* m_pClipRgn;
+};
+
+void CFX_Renderer::CompositeSpan(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ bool bDestAlpha,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ int col_start = GetColStart(span_left, clip_left);
+ int col_end = GetColEnd(span_left, span_len, clip_right);
+ if (Bpp) {
+ dest_scan += col_start * Bpp;
+ ori_scan += col_start * Bpp;
+ } else {
+ dest_scan += col_start / 8;
+ ori_scan += col_start / 8;
+ }
+ if (m_bRgbByteOrder) {
+ if (Bpp == 4 && bDestAlpha) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSrcAlpha(clip_scan, col);
+ uint8_t dest_alpha =
+ ori_scan[3] + src_alpha - ori_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ if (m_bFullCover) {
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
+ dest_scan++;
+ ori_scan++;
+ } else {
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
+ ori_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
+ dest_scan += 2;
+ }
+ }
+ return;
+ }
+ if (Bpp == 3 || Bpp == 4) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSrcAlpha(clip_scan, col);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int b = FXDIB_ALPHA_MERGE(*ori_scan, m_Blue, src_alpha);
+ ori_scan += Bpp - 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
+ dest_scan += Bpp - 2;
+ }
+ }
+ return;
+ }
+ if (Bpp == 4 && bDestAlpha) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSrcAlpha(clip_scan, col);
+ int src_alpha_covered = src_alpha * cover_scan[col] / 255;
+ if (src_alpha_covered == 0) {
+ dest_scan += 4;
+ continue;
+ }
+ if (cover_scan[col] == 255) {
+ dest_scan[3] = src_alpha_covered;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha_covered;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ uint8_t cover = cover_scan[col];
+ dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover);
+ dest_scan += 2;
+ }
+ return;
+ }
+ if (Bpp == 3 || Bpp == 4) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSrcAlpha(clip_scan, col);
+ if (m_bFullCover) {
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ dest_scan += Bpp - 2;
+ ori_scan += Bpp - 2;
+ continue;
+ }
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ ori_scan += Bpp - 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
+ dest_scan += Bpp - 2;
+ continue;
+ }
+ return;
+ }
+ if (Bpp == 1) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSrcAlpha(clip_scan, col);
+ if (m_bFullCover) {
+ *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ continue;
+ }
+ int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan[col]);
+ dest_scan++;
+ }
+ return;
+ }
+ CompositeSpan1bppHelper(dest_scan, col_start, col_end, cover_scan, clip_scan,
+ span_left);
+}
+
+void CFX_Renderer::CompositeSpan1bpp(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ ASSERT(!m_pDevice->IsCmykImage());
+ int col_start = GetColStart(span_left, clip_left);
+ int col_end = GetColEnd(span_left, span_len, clip_right);
+ dest_scan += col_start / 8;
+ CompositeSpan1bppHelper(dest_scan, col_start, col_end, cover_scan, clip_scan,
+ span_left);
+}
+
+void CFX_Renderer::CompositeSpanGray(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ int col_start = GetColStart(span_left, clip_left);
+ int col_end = GetColEnd(span_left, span_len, clip_right);
+ dest_scan += col_start;
+ if (dest_extra_alpha_scan) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_bFullCover ? GetSrcAlpha(clip_scan, col)
+ : GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *dest_scan = m_Gray;
+ *dest_extra_alpha_scan = m_Alpha;
+ } else {
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_extra_alpha_scan++;
+ dest_scan++;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255)
+ *dest_scan = m_Gray;
+ else
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+ }
+ dest_scan++;
+ }
+}
+
+void CFX_Renderer::CompositeSpanARGB(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ int col_start = GetColStart(span_left, clip_left);
+ int col_end = GetColEnd(span_left, span_len, clip_right);
+ dest_scan += col_start * Bpp;
+ if (m_bRgbByteOrder) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_bFullCover ? GetSrcAlpha(clip_scan, col)
+ : GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(reinterpret_cast<uint32_t*>(dest_scan)) = m_Color;
+ } else {
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan += 2;
+ continue;
+ }
+ }
+ dest_scan += 4;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_bFullCover ? GetSrcAlpha(clip_scan, col)
+ : GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(reinterpret_cast<uint32_t*>(dest_scan)) = m_Color;
+ } else {
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan += 2;
+ continue;
+ }
+ }
+ dest_scan += Bpp;
+ }
+}
+
+void CFX_Renderer::CompositeSpanRGB(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ int col_start = GetColStart(span_left, clip_left);
+ int col_end = GetColEnd(span_left, span_len, clip_right);
+ dest_scan += col_start * Bpp;
+ if (m_bRgbByteOrder) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ if (Bpp == 4) {
+ *(uint32_t*)dest_scan = m_Color;
+ } else if (Bpp == 3) {
+ *dest_scan++ = m_Red;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Blue;
+ continue;
+ }
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan += Bpp - 2;
+ continue;
+ }
+ }
+ dest_scan += Bpp;
+ }
+ return;
+ }
+ if (Bpp == 3 && dest_extra_alpha_scan) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_bFullCover ? GetSrcAlpha(clip_scan, col)
+ : GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *dest_scan++ = static_cast<uint8_t>(m_Blue);
+ *dest_scan++ = static_cast<uint8_t>(m_Green);
+ *dest_scan++ = static_cast<uint8_t>(m_Red);
+ *dest_extra_alpha_scan++ = static_cast<uint8_t>(m_Alpha);
+ continue;
+ }
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ continue;
+ }
+ dest_extra_alpha_scan++;
+ dest_scan += Bpp;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_bFullCover ? GetSrcAlpha(clip_scan, col)
+ : GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ if (Bpp == 4) {
+ *(uint32_t*)dest_scan = m_Color;
+ } else if (Bpp == 3) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ continue;
+ }
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan += Bpp - 2;
+ continue;
+ }
+ }
+ dest_scan += Bpp;
+ }
+}
+
+void CFX_Renderer::CompositeSpanCMYK(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ int col_start = GetColStart(span_left, clip_left);
+ int col_end = GetColEnd(span_left, span_len, clip_right);
+ dest_scan += col_start * 4;
+ if (dest_extra_alpha_scan) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_bFullCover ? GetSrcAlpha(clip_scan, col)
+ : GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(reinterpret_cast<FX_CMYK*>(dest_scan)) = m_Color;
+ *dest_extra_alpha_scan = static_cast<uint8_t>(m_Alpha);
+ } else {
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_extra_alpha_scan++;
+ dest_scan += 4;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(reinterpret_cast<FX_CMYK*>(dest_scan)) = m_Color;
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_scan += 4;
+ }
+}
+
+bool CFX_Renderer::Init(CFX_DIBitmap* pDevice,
+ CFX_DIBitmap* pOriDevice,
+ const CFX_ClipRgn* pClipRgn,
+ uint32_t color,
+ bool bFullCover,
+ bool bRgbByteOrder,
+ int alpha_flag,
+ void* pIccTransform) {
+ m_pDevice = pDevice;
+ m_pClipRgn = pClipRgn;
+ composite_span = nullptr;
+ m_bRgbByteOrder = bRgbByteOrder;
+ m_pOriDevice = pOriDevice;
+ if (m_pClipRgn) {
+ m_ClipBox = m_pClipRgn->GetBox();
+ } else {
+ m_ClipBox.left = m_ClipBox.top = 0;
+ m_ClipBox.right = m_pDevice->GetWidth();
+ m_ClipBox.bottom = m_pDevice->GetHeight();
+ }
+ m_pClipMask = nullptr;
+ if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF)
+ m_pClipMask = m_pClipRgn->GetMask().GetObject();
+ m_bFullCover = bFullCover;
+ bool bObjectCMYK = !!FXGETFLAG_COLORTYPE(alpha_flag);
+ bool bDeviceCMYK = pDevice->IsCmykImage();
+ m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
+ CCodec_IccModule* pIccModule = nullptr;
+ if (!CFX_GEModule::Get()->GetCodecModule() ||
+ !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
+ pIccTransform = nullptr;
+ } else {
+ pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+ }
+ if (m_pDevice->GetBPP() == 8) {
+ ASSERT(!m_bRgbByteOrder);
+ composite_span = &CFX_Renderer::CompositeSpanGray;
+ if (m_pDevice->IsAlphaMask()) {
+ m_Gray = 255;
+ } else {
+ if (pIccTransform) {
+ uint8_t gray;
+ color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, &gray,
+ (const uint8_t*)&color, 1);
+ m_Gray = gray;
+ } else {
+ if (bObjectCMYK) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color), r,
+ g, b);
+ m_Gray = FXRGB2GRAY(r, g, b);
+ } else {
+ m_Gray =
+ FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
+ }
+ }
+ }
+ return true;
+ }
+ if (bDeviceCMYK) {
+ ASSERT(!m_bRgbByteOrder);
+ composite_span = &CFX_Renderer::CompositeSpanCMYK;
+ if (bObjectCMYK) {
+ m_Color = FXCMYK_TODIB(color);
+ if (pIccTransform) {
+ uint8_t* pColor = reinterpret_cast<uint8_t*>(&m_Color);
+ pIccModule->TranslateScanline(pIccTransform, pColor, pColor, 1);
+ }
+ } else {
+ if (!pIccTransform)
+ return false;
+
+ color = FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(
+ pIccTransform, reinterpret_cast<uint8_t*>(&m_Color),
+ reinterpret_cast<const uint8_t*>(&color), 1);
+ }
+ uint8_t* pColor = reinterpret_cast<uint8_t*>(&m_Color);
+ m_Red = pColor[0];
+ m_Green = pColor[1];
+ m_Blue = pColor[2];
+ m_Gray = pColor[3];
+ } else {
+ composite_span = (pDevice->GetFormat() == FXDIB_Argb)
+ ? &CFX_Renderer::CompositeSpanARGB
+ : &CFX_Renderer::CompositeSpanRGB;
+ if (pIccTransform) {
+ color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(
+ pIccTransform, reinterpret_cast<uint8_t*>(&m_Color),
+ reinterpret_cast<const uint8_t*>(&color), 1);
+ uint8_t* pColor = reinterpret_cast<uint8_t*>(&m_Color);
+ pColor[3] = m_Alpha;
+ m_Red = pColor[2];
+ m_Green = pColor[1];
+ m_Blue = pColor[0];
+ if (m_bRgbByteOrder)
+ m_Color = FXARGB_TOBGRORDERDIB(FXARGB_TODIB(m_Color));
+ } else {
+ if (bObjectCMYK) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color), r, g,
+ b);
+ m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
+ if (m_bRgbByteOrder)
+ m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+ else
+ m_Color = FXARGB_TODIB(m_Color);
+ m_Red = r;
+ m_Green = g;
+ m_Blue = b;
+ } else {
+ if (m_bRgbByteOrder)
+ m_Color = FXARGB_TOBGRORDERDIB(color);
+ else
+ m_Color = FXARGB_TODIB(color);
+ ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
+ }
+ }
+ }
+ if (m_pDevice->GetBPP() == 1)
+ composite_span = &CFX_Renderer::CompositeSpan1bpp;
+ return true;
+}
+
+template <class Scanline>
+void CFX_Renderer::render(const Scanline& sl) {
+ if (!m_pOriDevice && !composite_span)
+ return;
+
+ int y = sl.y();
+ if (y < m_ClipBox.top || y >= m_ClipBox.bottom)
+ return;
+
+ uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * y;
+ uint8_t* dest_scan_extra_alpha = nullptr;
+ CFX_DIBitmap* pAlphaMask = m_pDevice->m_pAlphaMask;
+ if (pAlphaMask) {
+ dest_scan_extra_alpha =
+ pAlphaMask->GetBuffer() + pAlphaMask->GetPitch() * y;
+ }
+ uint8_t* ori_scan = nullptr;
+ if (m_pOriDevice)
+ ori_scan = m_pOriDevice->GetBuffer() + m_pOriDevice->GetPitch() * y;
+ int Bpp = m_pDevice->GetBPP() / 8;
+ bool bDestAlpha = m_pDevice->HasAlpha() || m_pDevice->IsAlphaMask();
+ unsigned num_spans = sl.num_spans();
+ typename Scanline::const_iterator span = sl.begin();
+ while (1) {
+ int x = span->x;
+ ASSERT(span->len > 0);
+ uint8_t* dest_pos = nullptr;
+ uint8_t* dest_extra_alpha_pos = nullptr;
+ uint8_t* ori_pos = nullptr;
+ if (Bpp) {
+ ori_pos = ori_scan ? ori_scan + x * Bpp : nullptr;
+ dest_pos = dest_scan + x * Bpp;
+ dest_extra_alpha_pos =
+ dest_scan_extra_alpha ? dest_scan_extra_alpha + x : nullptr;
+ } else {
+ dest_pos = dest_scan + x / 8;
+ ori_pos = ori_scan ? ori_scan + x / 8 : nullptr;
+ }
+ uint8_t* clip_pos = nullptr;
+ if (m_pClipMask) {
+ clip_pos = m_pClipMask->GetBuffer() +
+ (y - m_ClipBox.top) * m_pClipMask->GetPitch() + x -
+ m_ClipBox.left;
+ }
+ if (ori_pos) {
+ CompositeSpan(dest_pos, ori_pos, Bpp, bDestAlpha, x, span->len,
+ span->covers, m_ClipBox.left, m_ClipBox.right, clip_pos);
+ } else {
+ (this->*composite_span)(dest_pos, Bpp, x, span->len, span->covers,
+ m_ClipBox.left, m_ClipBox.right, clip_pos,
+ dest_extra_alpha_pos);
+ }
+ if (--num_spans == 0)
+ break;
+
+ ++span;
+ }
+}
+
+void CFX_Renderer::CompositeSpan1bppHelper(uint8_t* dest_scan,
+ int col_start,
+ int col_end,
+ const uint8_t* cover_scan,
+ const uint8_t* clip_scan,
+ int span_left) {
+ int index = 0;
+ if (m_pDevice->GetPalette()) {
+ for (int i = 0; i < 2; i++) {
+ if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
+ index = i;
+ }
+ } else {
+ index = (static_cast<uint8_t>(m_Color) == 0xff) ? 1 : 0;
+ }
+ uint8_t* dest_scan1 = dest_scan;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = GetSourceAlpha(cover_scan, clip_scan, col);
+ if (src_alpha) {
+ if (!index)
+ *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
+ else
+ *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
+ }
+ dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
+ }
+}
+
} // namespace
namespace agg {
@@ -351,7 +1130,7 @@ class renderer_scanline_aa_offset {
int y = sl.y();
unsigned num_spans = sl.num_spans();
typename Scanline::const_iterator span = sl.begin();
- for (;;) {
+ while (1) {
int x = span->x;
if (span->len > 0) {
m_ren->blend_solid_hspan(x - m_left, y - m_top, (unsigned)span->len,
@@ -360,9 +1139,9 @@ class renderer_scanline_aa_offset {
m_ren->blend_hline(x - m_left, y - m_top, (unsigned)(x - span->len - 1),
m_color, *(span->covers));
}
- if (--num_spans == 0) {
+ if (--num_spans == 0)
break;
- }
+
++span;
}
}
@@ -483,8 +1262,9 @@ int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) const {
flags |= FXRC_CMYK_OUTPUT;
return flags;
}
+ default:
+ return 0;
}
- return 0;
}
void CFX_AggDeviceDriver::SaveState() {
@@ -587,816 +1367,6 @@ bool CFX_AggDeviceDriver::SetClip_PathStroke(
return true;
}
-class CFX_Renderer {
- private:
- int m_Alpha, m_Red, m_Green, m_Blue, m_Gray;
- uint32_t m_Color;
- bool m_bFullCover;
- bool m_bRgbByteOrder;
- CFX_DIBitmap* m_pOriDevice;
- FX_RECT m_ClipBox;
- const CFX_DIBitmap* m_pClipMask;
- CFX_DIBitmap* m_pDevice;
- const CFX_ClipRgn* m_pClipRgn;
- void (CFX_Renderer::*composite_span)(uint8_t*,
- int,
- int,
- int,
- uint8_t*,
- int,
- int,
- uint8_t*,
- uint8_t*);
-
- public:
- void prepare(unsigned) {}
-
- void CompositeSpan(uint8_t* dest_scan,
- uint8_t* ori_scan,
- int Bpp,
- bool bDestAlpha,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan) {
- ASSERT(!m_pDevice->IsCmykImage());
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right
- ? span_len
- : (clip_right - span_left);
- if (Bpp) {
- dest_scan += col_start * Bpp;
- ori_scan += col_start * Bpp;
- } else {
- dest_scan += col_start / 8;
- ori_scan += col_start / 8;
- }
- if (m_bRgbByteOrder) {
- if (Bpp == 4 && bDestAlpha) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan)
- src_alpha = m_Alpha * clip_scan[col] / 255;
- else
- src_alpha = m_Alpha;
- uint8_t dest_alpha =
- ori_scan[3] + src_alpha - ori_scan[3] * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- if (m_bFullCover) {
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
- dest_scan++;
- ori_scan++;
- } else {
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
- ori_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
- dest_scan += 2;
- }
- }
- return;
- }
- if (Bpp == 3 || Bpp == 4) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int b = FXDIB_ALPHA_MERGE(*ori_scan, m_Blue, src_alpha);
- ori_scan += Bpp - 2;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
- dest_scan += Bpp - 2;
- }
- }
- return;
- }
- if (Bpp == 4 && bDestAlpha) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- int src_alpha_covered = src_alpha * cover_scan[col] / 255;
- if (src_alpha_covered == 0) {
- dest_scan += 4;
- continue;
- }
- if (cover_scan[col] == 255) {
- dest_scan[3] = src_alpha_covered;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- } else {
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha_covered;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- uint8_t cover = cover_scan[col];
- dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover);
- dest_scan += 2;
- }
- }
- return;
- }
- if (Bpp == 3 || Bpp == 4) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- if (m_bFullCover) {
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
- dest_scan += Bpp - 2;
- ori_scan += Bpp - 2;
- continue;
- }
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
- ori_scan += Bpp - 2;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
- dest_scan += Bpp - 2;
- continue;
- }
- return;
- }
- if (Bpp == 1) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- if (m_bFullCover) {
- *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- } else {
- int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan[col]);
- dest_scan++;
- }
- }
- } else {
- int index = 0;
- if (m_pDevice->GetPalette()) {
- for (int i = 0; i < 2; i++) {
- if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
- index = i;
- }
- } else {
- index = (static_cast<uint8_t>(m_Color) == 0xff) ? 1 : 0;
- }
- uint8_t* dest_scan1 = dest_scan;
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- if (src_alpha) {
- if (!index)
- *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
- else
- *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
- }
- dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
- }
- }
- }
-
- void CompositeSpan1bpp(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- ASSERT(!m_bRgbByteOrder);
- ASSERT(!m_pDevice->IsCmykImage());
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right
- ? span_len
- : (clip_right - span_left);
- dest_scan += col_start / 8;
- int index = 0;
- if (m_pDevice->GetPalette()) {
- for (int i = 0; i < 2; i++) {
- if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
- index = i;
- }
- } else {
- index = (static_cast<uint8_t>(m_Color) == 0xff) ? 1 : 0;
- }
- uint8_t* dest_scan1 = dest_scan;
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- if (src_alpha) {
- if (!index)
- *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
- else
- *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
- }
- dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
- }
- }
-
- void CompositeSpanGray(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- ASSERT(!m_bRgbByteOrder);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right
- ? span_len
- : (clip_right - span_left);
- dest_scan += col_start;
- if (dest_extra_alpha_scan) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan)
- src_alpha = m_Alpha * clip_scan[col] / 255;
- else
- src_alpha = m_Alpha;
- } else {
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *dest_scan = m_Gray;
- *dest_extra_alpha_scan = m_Alpha;
- } else {
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
- dest_scan++;
- continue;
- }
- }
- dest_extra_alpha_scan++;
- dest_scan++;
- }
- } else {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- if (src_alpha) {
- if (src_alpha == 255)
- *dest_scan = m_Gray;
- else
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
- }
- dest_scan++;
- }
- }
- }
-
- void CompositeSpanARGB(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right
- ? span_len
- : (clip_right - span_left);
- dest_scan += col_start * Bpp;
- if (m_bRgbByteOrder) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan)
- src_alpha = m_Alpha * clip_scan[col] / 255;
- else
- src_alpha = m_Alpha;
- } else {
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(reinterpret_cast<uint32_t*>(dest_scan)) = m_Color;
- } else {
- uint8_t dest_alpha =
- dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan += 2;
- continue;
- }
- }
- dest_scan += 4;
- }
- return;
- }
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- } else {
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(uint32_t*)dest_scan = m_Color;
- } else {
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- uint8_t dest_alpha =
- dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan += 2;
- continue;
- }
- }
- dest_scan += Bpp;
- }
- }
-
- void CompositeSpanRGB(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right
- ? span_len
- : (clip_right - span_left);
- dest_scan += col_start * Bpp;
- if (m_bRgbByteOrder) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- if (Bpp == 4) {
- *(uint32_t*)dest_scan = m_Color;
- } else if (Bpp == 3) {
- *dest_scan++ = m_Red;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Blue;
- continue;
- }
- } else {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan += Bpp - 2;
- continue;
- }
- }
- dest_scan += Bpp;
- }
- return;
- }
- if (Bpp == 3 && dest_extra_alpha_scan) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- } else {
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *dest_scan++ = static_cast<uint8_t>(m_Blue);
- *dest_scan++ = static_cast<uint8_t>(m_Green);
- *dest_scan++ = static_cast<uint8_t>(m_Red);
- *dest_extra_alpha_scan++ = static_cast<uint8_t>(m_Alpha);
- continue;
- }
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan++;
- continue;
- }
- dest_extra_alpha_scan++;
- dest_scan += Bpp;
- }
- return;
- }
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- } else {
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- if (Bpp == 4) {
- *(uint32_t*)dest_scan = m_Color;
- } else if (Bpp == 3) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- continue;
- }
- } else {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan += Bpp - 2;
- continue;
- }
- }
- dest_scan += Bpp;
- }
- }
-
- void CompositeSpanCMYK(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- ASSERT(!m_bRgbByteOrder);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right
- ? span_len
- : (clip_right - span_left);
- dest_scan += col_start * 4;
- if (dest_extra_alpha_scan) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan)
- src_alpha = m_Alpha * clip_scan[col] / 255;
- else
- src_alpha = m_Alpha;
- } else {
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_CMYK*)dest_scan = m_Color;
- *dest_extra_alpha_scan = (uint8_t)m_Alpha;
- } else {
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
- dest_scan++;
- continue;
- }
- }
- dest_extra_alpha_scan++;
- dest_scan += 4;
- }
- return;
- }
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan[col] / 255;
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_CMYK*)dest_scan = m_Color;
- } else {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
- dest_scan++;
- continue;
- }
- }
- dest_scan += 4;
- }
- }
-
- template <class Scanline>
- void render(const Scanline& sl) {
- if (!m_pOriDevice && !composite_span) {
- return;
- }
- int y = sl.y();
- if (y < m_ClipBox.top || y >= m_ClipBox.bottom) {
- return;
- }
- uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * y;
- uint8_t* dest_scan_extra_alpha = nullptr;
- CFX_DIBitmap* pAlphaMask = m_pDevice->m_pAlphaMask;
- if (pAlphaMask) {
- dest_scan_extra_alpha =
- pAlphaMask->GetBuffer() + pAlphaMask->GetPitch() * y;
- }
- uint8_t* ori_scan = nullptr;
- if (m_pOriDevice) {
- ori_scan = m_pOriDevice->GetBuffer() + m_pOriDevice->GetPitch() * y;
- }
- int Bpp = m_pDevice->GetBPP() / 8;
- bool bDestAlpha = m_pDevice->HasAlpha() || m_pDevice->IsAlphaMask();
- unsigned num_spans = sl.num_spans();
- typename Scanline::const_iterator span = sl.begin();
- while (1) {
- int x = span->x;
- ASSERT(span->len > 0);
- uint8_t* dest_pos = nullptr;
- uint8_t* dest_extra_alpha_pos = nullptr;
- uint8_t* ori_pos = nullptr;
- if (Bpp) {
- ori_pos = ori_scan ? ori_scan + x * Bpp : nullptr;
- dest_pos = dest_scan + x * Bpp;
- dest_extra_alpha_pos =
- dest_scan_extra_alpha ? dest_scan_extra_alpha + x : nullptr;
- } else {
- dest_pos = dest_scan + x / 8;
- ori_pos = ori_scan ? ori_scan + x / 8 : nullptr;
- }
- uint8_t* clip_pos = nullptr;
- if (m_pClipMask) {
- clip_pos = m_pClipMask->GetBuffer() +
- (y - m_ClipBox.top) * m_pClipMask->GetPitch() + x -
- m_ClipBox.left;
- }
- if (ori_pos) {
- CompositeSpan(dest_pos, ori_pos, Bpp, bDestAlpha, x, span->len,
- span->covers, m_ClipBox.left, m_ClipBox.right, clip_pos);
- } else {
- (this->*composite_span)(dest_pos, Bpp, x, span->len, span->covers,
- m_ClipBox.left, m_ClipBox.right, clip_pos,
- dest_extra_alpha_pos);
- }
- if (--num_spans == 0) {
- break;
- }
- ++span;
- }
- }
-
- bool Init(CFX_DIBitmap* pDevice,
- CFX_DIBitmap* pOriDevice,
- const CFX_ClipRgn* pClipRgn,
- uint32_t color,
- bool bFullCover,
- bool bRgbByteOrder,
- int alpha_flag = 0,
- void* pIccTransform = nullptr) {
- m_pDevice = pDevice;
- m_pClipRgn = pClipRgn;
- composite_span = nullptr;
- m_bRgbByteOrder = bRgbByteOrder;
- m_pOriDevice = pOriDevice;
- if (m_pClipRgn) {
- m_ClipBox = m_pClipRgn->GetBox();
- } else {
- m_ClipBox.left = m_ClipBox.top = 0;
- m_ClipBox.right = m_pDevice->GetWidth();
- m_ClipBox.bottom = m_pDevice->GetHeight();
- }
- m_pClipMask = nullptr;
- if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) {
- m_pClipMask = m_pClipRgn->GetMask().GetObject();
- }
- m_bFullCover = bFullCover;
- bool bObjectCMYK = !!FXGETFLAG_COLORTYPE(alpha_flag);
- bool bDeviceCMYK = pDevice->IsCmykImage();
- m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
- CCodec_IccModule* pIccModule = nullptr;
- if (!CFX_GEModule::Get()->GetCodecModule() ||
- !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- pIccTransform = nullptr;
- } else {
- pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- }
- if (m_pDevice->GetBPP() == 8) {
- ASSERT(!m_bRgbByteOrder);
- composite_span = &CFX_Renderer::CompositeSpanGray;
- if (m_pDevice->IsAlphaMask()) {
- m_Gray = 255;
- } else {
- if (pIccTransform) {
- uint8_t gray;
- color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, &gray,
- (const uint8_t*)&color, 1);
- m_Gray = gray;
- } else {
- if (bObjectCMYK) {
- uint8_t r, g, b;
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
- FXSYS_GetYValue(color), FXSYS_GetKValue(color),
- r, g, b);
- m_Gray = FXRGB2GRAY(r, g, b);
- } else {
- m_Gray =
- FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
- }
- }
- }
- return true;
- }
- if (bDeviceCMYK) {
- ASSERT(!m_bRgbByteOrder);
- composite_span = &CFX_Renderer::CompositeSpanCMYK;
- if (bObjectCMYK) {
- m_Color = FXCMYK_TODIB(color);
- if (pIccTransform) {
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
- (const uint8_t*)&m_Color, 1);
- }
- } else {
- if (!pIccTransform) {
- return false;
- }
- color = FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
- (const uint8_t*)&color, 1);
- }
- m_Red = ((uint8_t*)&m_Color)[0];
- m_Green = ((uint8_t*)&m_Color)[1];
- m_Blue = ((uint8_t*)&m_Color)[2];
- m_Gray = ((uint8_t*)&m_Color)[3];
- } else {
- composite_span = (pDevice->GetFormat() == FXDIB_Argb)
- ? &CFX_Renderer::CompositeSpanARGB
- : &CFX_Renderer::CompositeSpanRGB;
- if (pIccTransform) {
- color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
- (const uint8_t*)&color, 1);
- ((uint8_t*)&m_Color)[3] = m_Alpha;
- m_Red = ((uint8_t*)&m_Color)[2];
- m_Green = ((uint8_t*)&m_Color)[1];
- m_Blue = ((uint8_t*)&m_Color)[0];
- if (m_bRgbByteOrder) {
- m_Color = FXARGB_TODIB(m_Color);
- m_Color = FXARGB_TOBGRORDERDIB(m_Color);
- }
- } else {
- if (bObjectCMYK) {
- uint8_t r, g, b;
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
- FXSYS_GetYValue(color), FXSYS_GetKValue(color), r,
- g, b);
- m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
- if (m_bRgbByteOrder) {
- m_Color = FXARGB_TOBGRORDERDIB(m_Color);
- } else {
- m_Color = FXARGB_TODIB(m_Color);
- }
- m_Red = r;
- m_Green = g;
- m_Blue = b;
- } else {
- if (m_bRgbByteOrder) {
- m_Color = FXARGB_TOBGRORDERDIB(color);
- } else {
- m_Color = FXARGB_TODIB(color);
- }
- ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
- }
- }
- }
- if (m_pDevice->GetBPP() == 1) {
- composite_span = &CFX_Renderer::CompositeSpan1bpp;
- }
- return true;
- }
-};
-
int CFX_AggDeviceDriver::GetDriverType() const {
return 1;
}
@@ -1682,17 +1652,16 @@ bool CFX_AggDeviceDriver::StartDIBits(const CFX_DIBSource* pSource,
}
bool CFX_AggDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) {
- if (!m_pBitmap->GetBuffer()) {
- return true;
- }
- return ((CFX_ImageRenderer*)pHandle)->Continue(pPause);
+ return m_pBitmap->GetBuffer()
+ ? reinterpret_cast<CFX_ImageRenderer*>(pHandle)->Continue(pPause)
+ : true;
}
void CFX_AggDeviceDriver::CancelDIBits(void* pHandle) {
- if (!m_pBitmap->GetBuffer()) {
+ if (!m_pBitmap->GetBuffer())
return;
- }
- delete (CFX_ImageRenderer*)pHandle;
+
+ delete reinterpret_cast<CFX_ImageRenderer*>(pHandle);
}
#ifndef _SKIA_SUPPORT_
@@ -1730,8 +1699,7 @@ bool CFX_FxgeDevice::Create(int width,
}
CFX_FxgeDevice::~CFX_FxgeDevice() {
- if (m_bOwnedBitmap) {
+ if (m_bOwnedBitmap)
delete GetBitmap();
- }
}
#endif