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Diffstat (limited to 'core/fxge/dib/cfx_dibsource.cpp')
-rw-r--r--core/fxge/dib/cfx_dibsource.cpp794
1 files changed, 787 insertions, 7 deletions
diff --git a/core/fxge/dib/cfx_dibsource.cpp b/core/fxge/dib/cfx_dibsource.cpp
index 1a11632759..aace10934b 100644
--- a/core/fxge/dib/cfx_dibsource.cpp
+++ b/core/fxge/dib/cfx_dibsource.cpp
@@ -10,6 +10,7 @@
#include <memory>
#include <utility>
+#include "core/fxcodec/fx_codec.h"
#include "core/fxge/dib/cfx_bitmapstorer.h"
#include "core/fxge/dib/cfx_dibitmap.h"
#include "core/fxge/dib/cfx_imagestretcher.h"
@@ -17,6 +18,653 @@
#include "core/fxge/ge/cfx_cliprgn.h"
#include "third_party/base/ptr_util.h"
+namespace {
+
+class CFX_Palette {
+ public:
+ CFX_Palette();
+ ~CFX_Palette();
+
+ bool BuildPalette(const CFX_RetainPtr<CFX_DIBSource>& pBitmap);
+ uint32_t* GetPalette() const { return m_pPalette; }
+ uint32_t* GetColorLut() const { return m_cLut; }
+ uint32_t* GetAmountLut() const { return m_aLut; }
+ int32_t Getlut() const { return m_lut; }
+
+ protected:
+ uint32_t* m_pPalette;
+ uint32_t* m_cLut;
+ uint32_t* m_aLut;
+ int m_lut;
+};
+
+int Partition(uint32_t* alut, uint32_t* clut, int l, int r) {
+ uint32_t p_a = alut[l];
+ uint32_t p_c = clut[l];
+ while (l < r) {
+ while (l < r && alut[r] >= p_a)
+ r--;
+ if (l < r) {
+ alut[l] = alut[r];
+ clut[l++] = clut[r];
+ }
+ while (l < r && alut[l] <= p_a)
+ l++;
+ if (l < r) {
+ alut[r] = alut[l];
+ clut[r--] = clut[l];
+ }
+ }
+ alut[l] = p_a;
+ clut[l] = p_c;
+ return l;
+}
+
+void Qsort(uint32_t* alut, uint32_t* clut, int l, int r) {
+ if (l < r) {
+ int pI = Partition(alut, clut, l, r);
+ Qsort(alut, clut, l, pI - 1);
+ Qsort(alut, clut, pI + 1, r);
+ }
+}
+
+void ColorDecode(uint32_t pal_v, uint8_t& r, uint8_t& g, uint8_t& b) {
+ r = static_cast<uint8_t>((pal_v & 0xf00) >> 4);
+ g = static_cast<uint8_t>(pal_v & 0x0f0);
+ b = static_cast<uint8_t>((pal_v & 0x00f) << 4);
+}
+
+void Obtain_Pal(uint32_t* aLut,
+ uint32_t* cLut,
+ uint32_t* dest_pal,
+ uint32_t lut) {
+ uint32_t lut_1 = lut - 1;
+ for (int row = 0; row < 256; row++) {
+ int lut_offset = lut_1 - row;
+ if (lut_offset < 0)
+ lut_offset += 256;
+ uint32_t color = cLut[lut_offset];
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ ColorDecode(color, r, g, b);
+ dest_pal[row] = (static_cast<uint32_t>(r) << 16) |
+ (static_cast<uint32_t>(g) << 8) | b | 0xff000000;
+ aLut[lut_offset] = row;
+ }
+}
+
+CFX_Palette::CFX_Palette()
+ : m_pPalette(nullptr), m_cLut(nullptr), m_aLut(nullptr), m_lut(0) {}
+
+CFX_Palette::~CFX_Palette() {
+ FX_Free(m_pPalette);
+ FX_Free(m_cLut);
+ FX_Free(m_aLut);
+}
+
+bool CFX_Palette::BuildPalette(const CFX_RetainPtr<CFX_DIBSource>& pBitmap) {
+ if (!pBitmap) {
+ return false;
+ }
+ FX_Free(m_pPalette);
+ m_pPalette = FX_Alloc(uint32_t, 256);
+ int bpp = pBitmap->GetBPP() / 8;
+ int width = pBitmap->GetWidth();
+ int height = pBitmap->GetHeight();
+ FX_Free(m_cLut);
+ m_cLut = nullptr;
+ FX_Free(m_aLut);
+ m_aLut = nullptr;
+ m_cLut = FX_Alloc(uint32_t, 4096);
+ m_aLut = FX_Alloc(uint32_t, 4096);
+ int row, col;
+ m_lut = 0;
+ for (row = 0; row < height; row++) {
+ uint8_t* scan_line = (uint8_t*)pBitmap->GetScanline(row);
+ for (col = 0; col < width; col++) {
+ uint8_t* src_port = scan_line + col * bpp;
+ uint32_t b = src_port[0] & 0xf0;
+ uint32_t g = src_port[1] & 0xf0;
+ uint32_t r = src_port[2] & 0xf0;
+ uint32_t index = (r << 4) + g + (b >> 4);
+ m_aLut[index]++;
+ }
+ }
+ for (row = 0; row < 4096; row++) {
+ if (m_aLut[row] != 0) {
+ m_aLut[m_lut] = m_aLut[row];
+ m_cLut[m_lut] = row;
+ m_lut++;
+ }
+ }
+ Qsort(m_aLut, m_cLut, 0, m_lut - 1);
+ Obtain_Pal(m_aLut, m_cLut, m_pPalette, m_lut);
+ return true;
+}
+
+bool ConvertBuffer_1bppMask2Gray(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ uint8_t set_gray, reset_gray;
+ set_gray = 0xff;
+ reset_gray = 0x00;
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ memset(dest_scan, reset_gray, width);
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row);
+ for (int col = src_left; col < src_left + width; col++) {
+ if (src_scan[col / 8] & (1 << (7 - col % 8))) {
+ *dest_scan = set_gray;
+ }
+ dest_scan++;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_8bppMask2Gray(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
+ memcpy(dest_scan, src_scan, width);
+ }
+ return true;
+}
+
+bool ConvertBuffer_1bppPlt2Gray(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ uint32_t* src_plt = pSrcBitmap->GetPalette();
+ uint8_t gray[2];
+ uint8_t reset_r;
+ uint8_t reset_g;
+ uint8_t reset_b;
+ uint8_t set_r;
+ uint8_t set_g;
+ uint8_t set_b;
+ if (pSrcBitmap->IsCmykImage()) {
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]),
+ FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
+ reset_r, reset_g, reset_b);
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]),
+ FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
+ set_r, set_g, set_b);
+ } else {
+ reset_r = FXARGB_R(src_plt[0]);
+ reset_g = FXARGB_G(src_plt[0]);
+ reset_b = FXARGB_B(src_plt[0]);
+ set_r = FXARGB_R(src_plt[1]);
+ set_g = FXARGB_G(src_plt[1]);
+ set_b = FXARGB_B(src_plt[1]);
+ }
+ gray[0] = FXRGB2GRAY(reset_r, reset_g, reset_b);
+ gray[1] = FXRGB2GRAY(set_r, set_g, set_b);
+
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ memset(dest_scan, gray[0], width);
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row);
+ for (int col = src_left; col < src_left + width; col++) {
+ if (src_scan[col / 8] & (1 << (7 - col % 8))) {
+ *dest_scan = gray[1];
+ }
+ dest_scan++;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_8bppPlt2Gray(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ uint32_t* src_plt = pSrcBitmap->GetPalette();
+ uint8_t gray[256];
+ if (pSrcBitmap->IsCmykImage()) {
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ for (size_t i = 0; i < FX_ArraySize(gray); i++) {
+ AdobeCMYK_to_sRGB1(
+ FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]),
+ FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]), r, g, b);
+ gray[i] = FXRGB2GRAY(r, g, b);
+ }
+ } else {
+ for (size_t i = 0; i < FX_ArraySize(gray); i++) {
+ gray[i] = FXRGB2GRAY(FXARGB_R(src_plt[i]), FXARGB_G(src_plt[i]),
+ FXARGB_B(src_plt[i]));
+ }
+ }
+
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = gray[*src_scan++];
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_RgbOrCmyk2Gray(
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ int Bpp = pSrcBitmap->GetBPP() / 8;
+ if (pSrcBitmap->IsCmykImage()) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
+ for (int col = 0; col < width; col++) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(static_cast<uint32_t>(src_scan[0])),
+ FXSYS_GetMValue(static_cast<uint32_t>(src_scan[1])),
+ FXSYS_GetYValue(static_cast<uint32_t>(src_scan[2])),
+ FXSYS_GetKValue(static_cast<uint32_t>(src_scan[3])),
+ r, g, b);
+ *dest_scan++ = FXRGB2GRAY(r, g, b);
+ src_scan += 4;
+ }
+ }
+ } else {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = FXRGB2GRAY(src_scan[2], src_scan[1], src_scan[0]);
+ src_scan += Bpp;
+ }
+ }
+ }
+ return true;
+}
+
+void ConvertBuffer_IndexCopy(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ if (pSrcBitmap->GetBPP() == 1) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ memset(dest_scan, 0, width);
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row);
+ for (int col = src_left; col < src_left + width; col++) {
+ if (src_scan[col / 8] & (1 << (7 - col % 8))) {
+ *dest_scan = 1;
+ }
+ dest_scan++;
+ }
+ }
+ } else {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left;
+ memcpy(dest_scan, src_scan, width);
+ }
+ }
+}
+
+bool ConvertBuffer_Plt2PltRgb8(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top,
+ uint32_t* dst_plt) {
+ ConvertBuffer_IndexCopy(dest_buf, dest_pitch, width, height, pSrcBitmap,
+ src_left, src_top);
+ uint32_t* src_plt = pSrcBitmap->GetPalette();
+ int plt_size = pSrcBitmap->GetPaletteSize();
+ if (pSrcBitmap->IsCmykImage()) {
+ for (int i = 0; i < plt_size; i++) {
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ AdobeCMYK_to_sRGB1(
+ FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]),
+ FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]), r, g, b);
+ dst_plt[i] = FXARGB_MAKE(0xff, r, g, b);
+ }
+ } else {
+ memcpy(dst_plt, src_plt, plt_size * 4);
+ }
+ return true;
+}
+
+bool ConvertBuffer_Rgb2PltRgb8(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top,
+ uint32_t* dst_plt) {
+ int bpp = pSrcBitmap->GetBPP() / 8;
+ CFX_Palette palette;
+ palette.BuildPalette(pSrcBitmap);
+ uint32_t* cLut = palette.GetColorLut();
+ uint32_t* aLut = palette.GetAmountLut();
+ if (!cLut || !aLut) {
+ return false;
+ }
+ int lut = palette.Getlut();
+ uint32_t* pPalette = palette.GetPalette();
+ if (lut > 256) {
+ int err;
+ int min_err;
+ int lut_256 = lut - 256;
+ for (int row = 0; row < lut_256; row++) {
+ min_err = 1000000;
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+ ColorDecode(cLut[row], r, g, b);
+ int clrindex = 0;
+ for (int col = 0; col < 256; col++) {
+ uint32_t p_color = *(pPalette + col);
+ int d_r = r - static_cast<uint8_t>(p_color >> 16);
+ int d_g = g - static_cast<uint8_t>(p_color >> 8);
+ int d_b = b - static_cast<uint8_t>(p_color);
+ err = d_r * d_r + d_g * d_g + d_b * d_b;
+ if (err < min_err) {
+ min_err = err;
+ clrindex = col;
+ }
+ }
+ aLut[row] = clrindex;
+ }
+ }
+ int32_t lut_1 = lut - 1;
+ for (int row = 0; row < height; row++) {
+ uint8_t* src_scan =
+ const_cast<uint8_t*>(pSrcBitmap->GetScanline(src_top + row)) + src_left;
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ for (int col = 0; col < width; col++) {
+ uint8_t* src_port = src_scan + col * bpp;
+ int r = src_port[2] & 0xf0;
+ int g = src_port[1] & 0xf0;
+ int b = src_port[0] & 0xf0;
+ uint32_t clrindex = (r << 4) + g + (b >> 4);
+ for (int i = lut_1; i >= 0; i--)
+ if (clrindex == cLut[i]) {
+ *(dest_scan + col) = static_cast<uint8_t>(aLut[i]);
+ break;
+ }
+ }
+ }
+ memcpy(dst_plt, pPalette, sizeof(uint32_t) * 256);
+ return true;
+}
+
+bool ConvertBuffer_1bppMask2Rgb(FXDIB_Format dst_format,
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ int comps = (dst_format & 0xff) / 8;
+ uint8_t set_gray, reset_gray;
+ set_gray = 0xff;
+ reset_gray = 0x00;
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row);
+ for (int col = src_left; col < src_left + width; col++) {
+ if (src_scan[col / 8] & (1 << (7 - col % 8))) {
+ dest_scan[0] = set_gray;
+ dest_scan[1] = set_gray;
+ dest_scan[2] = set_gray;
+ } else {
+ dest_scan[0] = reset_gray;
+ dest_scan[1] = reset_gray;
+ dest_scan[2] = reset_gray;
+ }
+ dest_scan += comps;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_8bppMask2Rgb(FXDIB_Format dst_format,
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ int comps = (dst_format & 0xff) / 8;
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
+ uint8_t src_pixel;
+ for (int col = 0; col < width; col++) {
+ src_pixel = *src_scan++;
+ *dest_scan++ = src_pixel;
+ *dest_scan++ = src_pixel;
+ *dest_scan = src_pixel;
+ dest_scan += comps - 2;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_1bppPlt2Rgb(FXDIB_Format dst_format,
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ int comps = (dst_format & 0xff) / 8;
+ uint32_t* src_plt = pSrcBitmap->GetPalette();
+ uint32_t plt[2];
+ uint8_t* bgr_ptr = reinterpret_cast<uint8_t*>(plt);
+ if (pSrcBitmap->IsCmykImage()) {
+ plt[0] = FXCMYK_TODIB(src_plt[0]);
+ plt[1] = FXCMYK_TODIB(src_plt[1]);
+ } else {
+ bgr_ptr[0] = FXARGB_B(src_plt[0]);
+ bgr_ptr[1] = FXARGB_G(src_plt[0]);
+ bgr_ptr[2] = FXARGB_R(src_plt[0]);
+ bgr_ptr[3] = FXARGB_B(src_plt[1]);
+ bgr_ptr[4] = FXARGB_G(src_plt[1]);
+ bgr_ptr[5] = FXARGB_R(src_plt[1]);
+ }
+
+ if (pSrcBitmap->IsCmykImage()) {
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[0]), FXSYS_GetMValue(src_plt[0]),
+ FXSYS_GetYValue(src_plt[0]), FXSYS_GetKValue(src_plt[0]),
+ bgr_ptr[2], bgr_ptr[1], bgr_ptr[0]);
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(src_plt[1]), FXSYS_GetMValue(src_plt[1]),
+ FXSYS_GetYValue(src_plt[1]), FXSYS_GetKValue(src_plt[1]),
+ bgr_ptr[5], bgr_ptr[4], bgr_ptr[3]);
+ }
+
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row);
+ for (int col = src_left; col < src_left + width; col++) {
+ if (src_scan[col / 8] & (1 << (7 - col % 8))) {
+ *dest_scan++ = bgr_ptr[3];
+ *dest_scan++ = bgr_ptr[4];
+ *dest_scan = bgr_ptr[5];
+ } else {
+ *dest_scan++ = bgr_ptr[0];
+ *dest_scan++ = bgr_ptr[1];
+ *dest_scan = bgr_ptr[2];
+ }
+ dest_scan += comps - 2;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_8bppPlt2Rgb(FXDIB_Format dst_format,
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ int comps = (dst_format & 0xff) / 8;
+ uint32_t* src_plt = pSrcBitmap->GetPalette();
+ uint32_t plt[256];
+ uint8_t* bgr_ptr = reinterpret_cast<uint8_t*>(plt);
+ if (!pSrcBitmap->IsCmykImage()) {
+ for (int i = 0; i < 256; i++) {
+ *bgr_ptr++ = FXARGB_B(src_plt[i]);
+ *bgr_ptr++ = FXARGB_G(src_plt[i]);
+ *bgr_ptr++ = FXARGB_R(src_plt[i]);
+ }
+ bgr_ptr = reinterpret_cast<uint8_t*>(plt);
+ }
+
+ if (pSrcBitmap->IsCmykImage()) {
+ for (int i = 0; i < 256; i++) {
+ AdobeCMYK_to_sRGB1(
+ FXSYS_GetCValue(src_plt[i]), FXSYS_GetMValue(src_plt[i]),
+ FXSYS_GetYValue(src_plt[i]), FXSYS_GetKValue(src_plt[i]), bgr_ptr[2],
+ bgr_ptr[1], bgr_ptr[0]);
+ bgr_ptr += 3;
+ }
+ bgr_ptr = reinterpret_cast<uint8_t*>(plt);
+ }
+
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan = pSrcBitmap->GetScanline(src_top + row) + src_left;
+ for (int col = 0; col < width; col++) {
+ uint8_t* src_pixel = bgr_ptr + 3 * (*src_scan++);
+ *dest_scan++ = *src_pixel++;
+ *dest_scan++ = *src_pixel++;
+ *dest_scan = *src_pixel++;
+ dest_scan += comps - 2;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_24bppRgb2Rgb24(
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
+ memcpy(dest_scan, src_scan, width * 3);
+ }
+ return true;
+}
+
+bool ConvertBuffer_32bppRgb2Rgb24(
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ src_scan++;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_Rgb2Rgb32(uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ int comps = pSrcBitmap->GetBPP() / 8;
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left * comps;
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ *dest_scan++ = *src_scan++;
+ dest_scan++;
+ src_scan += comps - 3;
+ }
+ }
+ return true;
+}
+
+bool ConvertBuffer_32bppCmyk2Rgb32(
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * dest_pitch;
+ const uint8_t* src_scan =
+ pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
+ for (int col = 0; col < width; col++) {
+ AdobeCMYK_to_sRGB1(src_scan[0], src_scan[1], src_scan[2], src_scan[3],
+ dest_scan[2], dest_scan[1], dest_scan[0]);
+ dest_scan += 4;
+ src_scan += 4;
+ }
+ }
+ return true;
+}
+
+} // namespace
+
CFX_DIBSource::CFX_DIBSource()
: m_Width(0), m_Height(0), m_bpp(0), m_AlphaFlag(0), m_Pitch(0) {}
@@ -57,7 +705,7 @@ CFX_RetainPtr<CFX_DIBitmap> CFX_DIBSource::Clone(const FX_RECT* pClip) const {
}
} else {
int copy_len = (pNewBitmap->GetWidth() * pNewBitmap->GetBPP() + 7) / 8;
- if (m_Pitch < (uint32_t)copy_len)
+ if (m_Pitch < static_cast<uint32_t>(copy_len))
copy_len = m_Pitch;
for (int row = rect.top; row < rect.bottom; row++) {
@@ -137,15 +785,15 @@ int CFX_DIBSource::FindPalette(uint32_t color) const {
ASSERT((GetBPP() == 1 || GetBPP() == 8) && !IsAlphaMask());
if (!m_pPalette) {
if (IsCmykImage()) {
- if (GetBPP() == 1) {
- return ((uint8_t)color == 0xff) ? 0 : 1;
- }
- return 0xff - (uint8_t)color;
+ if (GetBPP() == 1)
+ return (static_cast<uint8_t>(color) == 0xff) ? 0 : 1;
+
+ return 0xff - static_cast<uint8_t>(color);
}
if (GetBPP() == 1) {
- return ((uint8_t)color == 0xff) ? 1 : 0;
+ return (static_cast<uint8_t>(color) == 0xff) ? 1 : 0;
}
- return (uint8_t)color;
+ return static_cast<uint8_t>(color);
}
int palsize = (1 << GetBPP());
for (int i = 0; i < palsize; i++)
@@ -531,3 +1179,135 @@ CFX_RetainPtr<CFX_DIBitmap> CFX_DIBSource::StretchTo(int dest_width,
return storer.Detach();
}
+
+// static
+bool CFX_DIBSource::ConvertBuffer(
+ FXDIB_Format dest_format,
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top,
+ std::unique_ptr<uint32_t, FxFreeDeleter>* p_pal) {
+ FXDIB_Format src_format = pSrcBitmap->GetFormat();
+ switch (dest_format) {
+ case FXDIB_Invalid:
+ case FXDIB_1bppCmyk:
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb:
+ ASSERT(false);
+ return false;
+ case FXDIB_8bppMask: {
+ if ((src_format & 0xff) == 1) {
+ if (pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_1bppPlt2Gray(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ return ConvertBuffer_1bppMask2Gray(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ if ((src_format & 0xff) == 8) {
+ if (pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_8bppPlt2Gray(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ return ConvertBuffer_8bppMask2Gray(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ if ((src_format & 0xff) >= 24) {
+ return ConvertBuffer_RgbOrCmyk2Gray(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ return false;
+ }
+ case FXDIB_8bppRgb:
+ case FXDIB_8bppRgba: {
+ if ((src_format & 0xff) == 8 && !pSrcBitmap->GetPalette()) {
+ return ConvertBuffer(FXDIB_8bppMask, dest_buf, dest_pitch, width,
+ height, pSrcBitmap, src_left, src_top, p_pal);
+ }
+ p_pal->reset(FX_Alloc(uint32_t, 256));
+ if (((src_format & 0xff) == 1 || (src_format & 0xff) == 8) &&
+ pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_Plt2PltRgb8(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top,
+ p_pal->get());
+ }
+ if ((src_format & 0xff) >= 24) {
+ return ConvertBuffer_Rgb2PltRgb8(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top,
+ p_pal->get());
+ }
+ return false;
+ }
+ case FXDIB_Rgb:
+ case FXDIB_Rgba: {
+ if ((src_format & 0xff) == 1) {
+ if (pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ return ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ if ((src_format & 0xff) == 8) {
+ if (pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ return ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ if ((src_format & 0xff) == 24) {
+ return ConvertBuffer_24bppRgb2Rgb24(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ if ((src_format & 0xff) == 32) {
+ return ConvertBuffer_32bppRgb2Rgb24(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ return false;
+ }
+ case FXDIB_Argb:
+ case FXDIB_Rgb32: {
+ if ((src_format & 0xff) == 1) {
+ if (pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_1bppPlt2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ return ConvertBuffer_1bppMask2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ if ((src_format & 0xff) == 8) {
+ if (pSrcBitmap->GetPalette()) {
+ return ConvertBuffer_8bppPlt2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ return ConvertBuffer_8bppMask2Rgb(dest_format, dest_buf, dest_pitch,
+ width, height, pSrcBitmap, src_left,
+ src_top);
+ }
+ if ((src_format & 0xff) >= 24) {
+ if (src_format & 0x0400) {
+ return ConvertBuffer_32bppCmyk2Rgb32(dest_buf, dest_pitch, width,
+ height, pSrcBitmap, src_left,
+ src_top);
+ }
+ return ConvertBuffer_Rgb2Rgb32(dest_buf, dest_pitch, width, height,
+ pSrcBitmap, src_left, src_top);
+ }
+ return false;
+ }
+ default:
+ return false;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 11:06:55 +0000