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-rw-r--r--core/fxge/dib/fx_dib_convert.cpp792
1 files changed, 0 insertions, 792 deletions
diff --git a/core/fxge/dib/fx_dib_convert.cpp b/core/fxge/dib/fx_dib_convert.cpp
deleted file mode 100644
index 17eae7e3af..0000000000
--- a/core/fxge/dib/fx_dib_convert.cpp
+++ /dev/null
@@ -1,792 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include <memory>
-#include <utility>
-
-#include "core/fxcodec/fx_codec.h"
-#include "core/fxcrt/cfx_maybe_owned.h"
-#include "core/fxge/fx_dib.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 = (uint8_t)((pal_v & 0xf00) >> 4);
- g = (uint8_t)(pal_v & 0x0f0);
- b = (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] = ((uint32_t)r << 16) | ((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);
- m_lut = 0;
-}
-
-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((uint32_t)src_scan[0]),
- FXSYS_GetMValue((uint32_t)src_scan[1]),
- FXSYS_GetYValue((uint32_t)src_scan[2]),
- FXSYS_GetKValue((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, min_err;
- int lut_256 = lut - 256;
- for (int row = 0; row < lut_256; row++) {
- min_err = 1000000;
- uint8_t r, g, 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 - (uint8_t)(p_color >> 16);
- int d_g = g - (uint8_t)(p_color >> 8);
- int d_b = b - (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 =
- (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) = (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 = (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 = (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 = (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 = (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
-
-bool 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 2024-06-07 23:41:14 +0000