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-rw-r--r--core/fxge/ge/cfx_facecache.cpp383
-rw-r--r--core/fxge/ge/cfx_fontcache.cpp1
-rw-r--r--core/fxge/ge/cfx_renderdevice.cpp1
-rw-r--r--core/fxge/ge/fx_ge_text.cpp428
4 files changed, 403 insertions, 410 deletions
diff --git a/core/fxge/ge/cfx_facecache.cpp b/core/fxge/ge/cfx_facecache.cpp
new file mode 100644
index 0000000000..7c85b06e0c
--- /dev/null
+++ b/core/fxge/ge/cfx_facecache.cpp
@@ -0,0 +1,383 @@
+// Copyright 2016 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 "core/fxge/include/cfx_facecache.h"
+
+#include <algorithm>
+
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/fxge/include/cfx_fontmgr.h"
+#include "core/fxge/include/cfx_gemodule.h"
+#include "core/fxge/include/cfx_pathdata.h"
+#include "core/fxge/include/fx_freetype.h"
+
+#ifdef _SKIA_SUPPORT_
+#include "third_party/skia/include/core/SkStream.h"
+#include "third_party/skia/include/core/SkTypeface.h"
+#endif
+
+namespace {
+
+void GammaAdjust(uint8_t* pData,
+ int nHeight,
+ int src_pitch,
+ const uint8_t* gammaTable) {
+ int count = nHeight * src_pitch;
+ for (int i = 0; i < count; i++)
+ pData[i] = gammaTable[pData[i]];
+}
+
+void ContrastAdjust(uint8_t* pDataIn,
+ uint8_t* pDataOut,
+ int nWidth,
+ int nHeight,
+ int nSrcRowBytes,
+ int nDstRowBytes) {
+ int col, row, temp;
+ int max = 0, min = 255;
+ FX_FLOAT rate;
+ for (row = 0; row < nHeight; row++) {
+ uint8_t* pRow = pDataIn + row * nSrcRowBytes;
+ for (col = 0; col < nWidth; col++) {
+ temp = *pRow++;
+ max = std::max(temp, max);
+ min = std::min(temp, min);
+ }
+ }
+ temp = max - min;
+ if (temp == 0 || temp == 255) {
+ int rowbytes = std::min(FXSYS_abs(nSrcRowBytes), nDstRowBytes);
+ for (row = 0; row < nHeight; row++) {
+ FXSYS_memcpy(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes,
+ rowbytes);
+ }
+ return;
+ }
+ rate = 255.f / temp;
+ for (row = 0; row < nHeight; row++) {
+ uint8_t* pSrcRow = pDataIn + row * nSrcRowBytes;
+ uint8_t* pDstRow = pDataOut + row * nDstRowBytes;
+ for (col = 0; col < nWidth; col++) {
+ temp = static_cast<int>((*(pSrcRow++) - min) * rate + 0.5);
+ temp = std::min(temp, 255);
+ temp = std::max(temp, 0);
+ *pDstRow++ = (uint8_t)temp;
+ }
+ }
+}
+} // namespace
+
+CFX_FaceCache::CFX_FaceCache(FXFT_Face face)
+ : m_Face(face)
+#ifdef _SKIA_SUPPORT_
+ ,
+ m_pTypeface(nullptr)
+#endif
+{
+}
+
+CFX_FaceCache::~CFX_FaceCache() {
+#ifdef _SKIA_SUPPORT_
+ SkSafeUnref(m_pTypeface);
+#endif
+}
+
+CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont,
+ uint32_t glyph_index,
+ FX_BOOL bFontStyle,
+ const CFX_Matrix* pMatrix,
+ int dest_width,
+ int anti_alias) {
+ if (!m_Face)
+ return nullptr;
+
+ FXFT_Matrix ft_matrix;
+ ft_matrix.xx = (signed long)(pMatrix->GetA() / 64 * 65536);
+ ft_matrix.xy = (signed long)(pMatrix->GetC() / 64 * 65536);
+ ft_matrix.yx = (signed long)(pMatrix->GetB() / 64 * 65536);
+ ft_matrix.yy = (signed long)(pMatrix->GetD() / 64 * 65536);
+ bool bUseCJKSubFont = false;
+ const CFX_SubstFont* pSubstFont = pFont->GetSubstFont();
+ if (pSubstFont) {
+ bUseCJKSubFont = pSubstFont->m_bSubstCJK && bFontStyle;
+ int skew = 0;
+ if (bUseCJKSubFont)
+ skew = pSubstFont->m_bItalicCJK ? -15 : 0;
+ else
+ skew = pSubstFont->m_ItalicAngle;
+ if (skew) {
+ // |skew| is nonpositive so |-skew| is used as the index. We need to make
+ // sure |skew| != INT_MIN since -INT_MIN is undefined.
+ if (skew <= 0 && skew != std::numeric_limits<int>::min() &&
+ static_cast<size_t>(-skew) < CFX_Font::kAngleSkewArraySize) {
+ skew = -CFX_Font::s_AngleSkew[-skew];
+ } else {
+ skew = -58;
+ }
+ if (pFont->IsVertical())
+ ft_matrix.yx += ft_matrix.yy * skew / 100;
+ else
+ ft_matrix.xy -= ft_matrix.xx * skew / 100;
+ }
+ if (pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) {
+ pFont->AdjustMMParams(glyph_index, dest_width,
+ pFont->GetSubstFont()->m_Weight);
+ }
+ }
+ ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
+ int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT)
+ ? FXFT_LOAD_NO_BITMAP
+ : (FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING);
+ int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
+ if (error) {
+ // if an error is returned, try to reload glyphs without hinting.
+ if (load_flags & FT_LOAD_NO_HINTING || load_flags & FT_LOAD_NO_SCALE)
+ return nullptr;
+
+ load_flags |= FT_LOAD_NO_HINTING;
+ error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
+
+ if (error)
+ return nullptr;
+ }
+ int weight = 0;
+ if (bUseCJKSubFont)
+ weight = pSubstFont->m_WeightCJK;
+ else
+ weight = pSubstFont ? pSubstFont->m_Weight : 0;
+ if (pSubstFont && !(pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
+ weight > 400) {
+ uint32_t index = (weight - 400) / 10;
+ if (index >= CFX_Font::kWeightPowArraySize)
+ return nullptr;
+ int level = 0;
+ if (pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
+ level =
+ CFX_Font::s_WeightPow_SHIFTJIS[index] * 2 *
+ (FXSYS_abs((int)(ft_matrix.xx)) + FXSYS_abs((int)(ft_matrix.xy))) /
+ 36655;
+ } else {
+ level =
+ CFX_Font::s_WeightPow_11[index] *
+ (FXSYS_abs((int)(ft_matrix.xx)) + FXSYS_abs((int)(ft_matrix.xy))) /
+ 36655;
+ }
+ FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
+ }
+ FXFT_Library_SetLcdFilter(CFX_GEModule::Get()->GetFontMgr()->GetFTLibrary(),
+ FT_LCD_FILTER_DEFAULT);
+ error = FXFT_Render_Glyph(m_Face, anti_alias);
+ if (error)
+ return nullptr;
+ int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(m_Face));
+ int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(m_Face));
+ if (bmwidth > 2048 || bmheight > 2048)
+ return nullptr;
+ int dib_width = bmwidth;
+ CFX_GlyphBitmap* pGlyphBitmap = new CFX_GlyphBitmap;
+ pGlyphBitmap->m_Bitmap.Create(
+ dib_width, bmheight,
+ anti_alias == FXFT_RENDER_MODE_MONO ? FXDIB_1bppMask : FXDIB_8bppMask);
+ pGlyphBitmap->m_Left = FXFT_Get_Glyph_BitmapLeft(m_Face);
+ pGlyphBitmap->m_Top = FXFT_Get_Glyph_BitmapTop(m_Face);
+ int dest_pitch = pGlyphBitmap->m_Bitmap.GetPitch();
+ int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(m_Face));
+ uint8_t* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer();
+ uint8_t* pSrcBuf =
+ (uint8_t*)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(m_Face));
+ if (anti_alias != FXFT_RENDER_MODE_MONO &&
+ FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
+ FXFT_PIXEL_MODE_MONO) {
+ int bytes = anti_alias == FXFT_RENDER_MODE_LCD ? 3 : 1;
+ for (int i = 0; i < bmheight; i++) {
+ for (int n = 0; n < bmwidth; n++) {
+ uint8_t data =
+ (pSrcBuf[i * src_pitch + n / 8] & (0x80 >> (n % 8))) ? 255 : 0;
+ for (int b = 0; b < bytes; b++)
+ pDestBuf[i * dest_pitch + n * bytes + b] = data;
+ }
+ }
+ } else {
+ FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight);
+ if (anti_alias == FXFT_RENDER_MODE_MONO &&
+ FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
+ FXFT_PIXEL_MODE_MONO) {
+ int rowbytes =
+ FXSYS_abs(src_pitch) > dest_pitch ? dest_pitch : FXSYS_abs(src_pitch);
+ for (int row = 0; row < bmheight; row++) {
+ FXSYS_memcpy(pDestBuf + row * dest_pitch, pSrcBuf + row * src_pitch,
+ rowbytes);
+ }
+ } else {
+ ContrastAdjust(pSrcBuf, pDestBuf, bmwidth, bmheight, src_pitch,
+ dest_pitch);
+ GammaAdjust(pDestBuf, bmheight, dest_pitch,
+ CFX_GEModule::Get()->GetTextGammaTable());
+ }
+ }
+ return pGlyphBitmap;
+}
+
+const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont,
+ uint32_t glyph_index,
+ int dest_width) {
+ if (!m_Face || glyph_index == (uint32_t)-1)
+ return nullptr;
+
+ uint32_t key = glyph_index;
+ if (pFont->GetSubstFont()) {
+ key += (((pFont->GetSubstFont()->m_Weight / 16) << 15) +
+ ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) +
+ ((dest_width / 16) << 25) + (pFont->IsVertical() << 31));
+ }
+ auto it = m_PathMap.find(key);
+ if (it != m_PathMap.end())
+ return it->second.get();
+
+ CFX_PathData* pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width);
+ m_PathMap[key] = std::unique_ptr<CFX_PathData>(pGlyphPath);
+ return pGlyphPath;
+}
+
+const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont,
+ uint32_t glyph_index,
+ FX_BOOL bFontStyle,
+ const CFX_Matrix* pMatrix,
+ int dest_width,
+ int anti_alias,
+ int& text_flags) {
+ if (glyph_index == (uint32_t)-1)
+ return nullptr;
+ _CFX_UniqueKeyGen keygen;
+ int nMatrixA = static_cast<int>(pMatrix->a * 10000);
+ int nMatrixB = static_cast<int>(pMatrix->b * 10000);
+ int nMatrixC = static_cast<int>(pMatrix->c * 10000);
+ int nMatrixD = static_cast<int>(pMatrix->d * 10000);
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+ if (pFont->GetSubstFont()) {
+ keygen.Generate(9, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
+ } else {
+ keygen.Generate(6, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias);
+ }
+#else
+ if (text_flags & FXTEXT_NO_NATIVETEXT) {
+ if (pFont->GetSubstFont()) {
+ keygen.Generate(9, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle,
+ pFont->IsVertical());
+ } else {
+ keygen.Generate(6, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias);
+ }
+ } else {
+ if (pFont->GetSubstFont()) {
+ keygen.Generate(10, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical(),
+ 3);
+ } else {
+ keygen.Generate(7, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias, 3);
+ }
+ }
+#endif
+ CFX_ByteString FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ || defined _SKIA_SUPPORT_
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
+ bFontStyle, dest_width, anti_alias);
+#else
+ if (text_flags & FXTEXT_NO_NATIVETEXT) {
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
+ bFontStyle, dest_width, anti_alias);
+ }
+ CFX_GlyphBitmap* pGlyphBitmap;
+ auto it = m_SizeMap.find(FaceGlyphsKey);
+ if (it != m_SizeMap.end()) {
+ CFX_SizeGlyphCache* pSizeCache = it->second.get();
+ auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
+ if (it2 != pSizeCache->m_GlyphMap.end())
+ return it2->second;
+
+ pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
+ dest_width, anti_alias);
+ if (pGlyphBitmap) {
+ pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
+ return pGlyphBitmap;
+ }
+ } else {
+ pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
+ dest_width, anti_alias);
+ if (pGlyphBitmap) {
+ CFX_SizeGlyphCache* pSizeCache = new CFX_SizeGlyphCache;
+ m_SizeMap[FaceGlyphsKey] =
+ std::unique_ptr<CFX_SizeGlyphCache>(pSizeCache);
+ pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
+ return pGlyphBitmap;
+ }
+ }
+ if (pFont->GetSubstFont()) {
+ keygen.Generate(9, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
+ } else {
+ keygen.Generate(6, nMatrixA, nMatrixB, nMatrixC, nMatrixD, dest_width,
+ anti_alias);
+ }
+ CFX_ByteString FaceGlyphsKey2(keygen.m_Key, keygen.m_KeyLen);
+ text_flags |= FXTEXT_NO_NATIVETEXT;
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey2, glyph_index,
+ bFontStyle, dest_width, anti_alias);
+#endif
+}
+
+#ifdef _SKIA_SUPPORT_
+CFX_TypeFace* CFX_FaceCache::GetDeviceCache(CFX_Font* pFont) {
+ if (!m_pTypeface) {
+ m_pTypeface =
+ SkTypeface::MakeFromStream(
+ new SkMemoryStream(pFont->GetFontData(), pFont->GetSize()))
+ .release();
+ }
+ return m_pTypeface;
+}
+#endif
+
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+void CFX_FaceCache::InitPlatform() {}
+#endif
+
+CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(
+ CFX_Font* pFont,
+ const CFX_Matrix* pMatrix,
+ const CFX_ByteString& FaceGlyphsKey,
+ uint32_t glyph_index,
+ FX_BOOL bFontStyle,
+ int dest_width,
+ int anti_alias) {
+ CFX_SizeGlyphCache* pSizeCache;
+ auto it = m_SizeMap.find(FaceGlyphsKey);
+ if (it == m_SizeMap.end()) {
+ pSizeCache = new CFX_SizeGlyphCache;
+ m_SizeMap[FaceGlyphsKey] = std::unique_ptr<CFX_SizeGlyphCache>(pSizeCache);
+ } else {
+ pSizeCache = it->second.get();
+ }
+ auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
+ if (it2 != pSizeCache->m_GlyphMap.end())
+ return it2->second;
+
+ CFX_GlyphBitmap* pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle,
+ pMatrix, dest_width, anti_alias);
+ if (!pGlyphBitmap)
+ return nullptr;
+
+ pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
+ return pGlyphBitmap;
+}
diff --git a/core/fxge/ge/cfx_fontcache.cpp b/core/fxge/ge/cfx_fontcache.cpp
index a183711a18..3ecd83c33f 100644
--- a/core/fxge/ge/cfx_fontcache.cpp
+++ b/core/fxge/ge/cfx_fontcache.cpp
@@ -6,6 +6,7 @@
#include "core/fxge/include/cfx_fontcache.h"
+#include "core/fxge/include/cfx_facecache.h"
#include "core/fxge/include/fx_font.h"
#include "core/fxge/include/fx_freetype.h"
diff --git a/core/fxge/ge/cfx_renderdevice.cpp b/core/fxge/ge/cfx_renderdevice.cpp
index 1890b52021..7396308781 100644
--- a/core/fxge/ge/cfx_renderdevice.cpp
+++ b/core/fxge/ge/cfx_renderdevice.cpp
@@ -8,6 +8,7 @@
#include "core/fxcrt/include/fx_safe_types.h"
#include "core/fxge/include/cfx_autofontcache.h"
+#include "core/fxge/include/cfx_facecache.h"
#include "core/fxge/include/cfx_fontcache.h"
#include "core/fxge/include/cfx_fxgedevice.h"
#include "core/fxge/include/cfx_graphstatedata.h"
diff --git a/core/fxge/ge/fx_ge_text.cpp b/core/fxge/ge/fx_ge_text.cpp
index 8e16c17784..b81c1ba8f1 100644
--- a/core/fxge/ge/fx_ge_text.cpp
+++ b/core/fxge/ge/fx_ge_text.cpp
@@ -4,23 +4,17 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+#include <algorithm>
#include <limits>
#include <vector>
#include "core/fxcodec/include/fx_codec.h"
#include "core/fxcrt/include/fx_safe_types.h"
#include "core/fxge/ge/fx_text_int.h"
-#include "core/fxge/include/cfx_fontmgr.h"
-#include "core/fxge/include/cfx_gemodule.h"
#include "core/fxge/include/cfx_pathdata.h"
#include "core/fxge/include/fx_freetype.h"
#include "core/fxge/include/ifx_renderdevicedriver.h"
-#ifdef _SKIA_SUPPORT_
-#include "third_party/skia/include/core/SkStream.h"
-#include "third_party/skia/include/core/SkTypeface.h"
-#endif
-
namespace {
void ResetTransform(FT_Face face) {
@@ -32,21 +26,16 @@ void ResetTransform(FT_Face face) {
FXFT_Set_Transform(face, &matrix, 0);
}
-// Sets the given transform on the font, and resets it to the identity when it
-// goes out of scope.
-class ScopedFontTransform {
- public:
- ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix) : m_Face(face) {
- FXFT_Set_Transform(m_Face, matrix, 0);
- }
-
- ~ScopedFontTransform() { ResetTransform(m_Face); }
+} // namespace
- private:
- FT_Face m_Face;
-};
+ScopedFontTransform::ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix)
+ : m_Face(face) {
+ FXFT_Set_Transform(m_Face, matrix, 0);
+}
-} // namespace
+ScopedFontTransform::~ScopedFontTransform() {
+ ResetTransform(m_Face);
+}
FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs,
int anti_alias,
@@ -106,167 +95,6 @@ FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs,
return rect;
}
-#ifdef _SKIA_SUPPORT_
-CFX_TypeFace* CFX_FaceCache::GetDeviceCache(CFX_Font* pFont) {
- if (!m_pTypeface) {
- m_pTypeface =
- SkTypeface::MakeFromStream(
- new SkMemoryStream(pFont->GetFontData(), pFont->GetSize()))
- .release();
- }
- return m_pTypeface;
-}
-#endif
-
-CFX_FaceCache::CFX_FaceCache(FXFT_Face face)
- : m_Face(face)
-#ifdef _SKIA_SUPPORT_
- ,
- m_pTypeface(nullptr)
-#endif
-{
-}
-
-CFX_FaceCache::~CFX_FaceCache() {
- for (const auto& pair : m_SizeMap) {
- delete pair.second;
- }
- m_SizeMap.clear();
- for (const auto& pair : m_PathMap) {
- delete pair.second;
- }
- m_PathMap.clear();
-#ifdef _SKIA_SUPPORT_
- SkSafeUnref(m_pTypeface);
-#endif
-}
-
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
-void CFX_FaceCache::InitPlatform() {}
-#endif
-CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(
- CFX_Font* pFont,
- const CFX_Matrix* pMatrix,
- const CFX_ByteString& FaceGlyphsKey,
- uint32_t glyph_index,
- FX_BOOL bFontStyle,
- int dest_width,
- int anti_alias) {
- CFX_SizeGlyphCache* pSizeCache;
- auto it = m_SizeMap.find(FaceGlyphsKey);
- if (it == m_SizeMap.end()) {
- pSizeCache = new CFX_SizeGlyphCache;
- m_SizeMap[FaceGlyphsKey] = pSizeCache;
- } else {
- pSizeCache = it->second;
- }
- auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
- if (it2 != pSizeCache->m_GlyphMap.end())
- return it2->second;
-
- CFX_GlyphBitmap* pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle,
- pMatrix, dest_width, anti_alias);
- if (!pGlyphBitmap)
- return nullptr;
-
- pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
- return pGlyphBitmap;
-}
-const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont,
- uint32_t glyph_index,
- FX_BOOL bFontStyle,
- const CFX_Matrix* pMatrix,
- int dest_width,
- int anti_alias,
- int& text_flags) {
- if (glyph_index == (uint32_t)-1) {
- return nullptr;
- }
- _CFX_UniqueKeyGen keygen;
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
- if (pFont->GetSubstFont())
- keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
- else
- keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias);
-#else
- if (text_flags & FXTEXT_NO_NATIVETEXT) {
- if (pFont->GetSubstFont())
- keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle,
- pFont->IsVertical());
- else
- keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias);
- } else {
- if (pFont->GetSubstFont())
- keygen.Generate(10, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical(),
- 3);
- else
- keygen.Generate(7, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, 3);
- }
-#endif
- CFX_ByteString FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ || defined _SKIA_SUPPORT_
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
- bFontStyle, dest_width, anti_alias);
-#else
- if (text_flags & FXTEXT_NO_NATIVETEXT) {
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
- bFontStyle, dest_width, anti_alias);
- }
- CFX_GlyphBitmap* pGlyphBitmap;
- auto it = m_SizeMap.find(FaceGlyphsKey);
- if (it != m_SizeMap.end()) {
- CFX_SizeGlyphCache* pSizeCache = it->second;
- auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
- if (it2 != pSizeCache->m_GlyphMap.end())
- return it2->second;
-
- pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
- dest_width, anti_alias);
- if (pGlyphBitmap) {
- pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
- return pGlyphBitmap;
- }
- } else {
- pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
- dest_width, anti_alias);
- if (pGlyphBitmap) {
- CFX_SizeGlyphCache* pSizeCache = new CFX_SizeGlyphCache;
- m_SizeMap[FaceGlyphsKey] = pSizeCache;
- pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
- return pGlyphBitmap;
- }
- }
- if (pFont->GetSubstFont())
- keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
- else
- keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias);
- CFX_ByteString FaceGlyphsKey2(keygen.m_Key, keygen.m_KeyLen);
- text_flags |= FXTEXT_NO_NATIVETEXT;
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey2, glyph_index,
- bFontStyle, dest_width, anti_alias);
-#endif
-}
-
CFX_SizeGlyphCache::CFX_SizeGlyphCache() {}
CFX_SizeGlyphCache::~CFX_SizeGlyphCache() {
@@ -320,13 +148,11 @@ void CFX_Font::AdjustMMParams(int glyph_index, int dest_width, int weight) {
FXFT_Free(m_Face, pMasters);
FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
}
-static const size_t ANGLESKEW_ARRAY_SIZE = 30;
-static const char g_AngleSkew[ANGLESKEW_ARRAY_SIZE] = {
+const char CFX_Font::s_AngleSkew[] = {
0, 2, 3, 5, 7, 9, 11, 12, 14, 16, 18, 19, 21, 23, 25,
27, 29, 31, 32, 34, 36, 38, 40, 42, 45, 47, 49, 51, 53, 55,
};
-static const size_t WEIGHTPOW_ARRAY_SIZE = 100;
-static const uint8_t g_WeightPow[WEIGHTPOW_ARRAY_SIZE] = {
+const uint8_t CFX_Font::s_WeightPow[] = {
0, 3, 6, 7, 8, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 35, 36, 36, 37,
37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42,
@@ -334,7 +160,7 @@ static const uint8_t g_WeightPow[WEIGHTPOW_ARRAY_SIZE] = {
47, 47, 47, 48, 48, 48, 48, 48, 49, 49, 49, 49, 50, 50, 50, 50, 50,
51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53,
};
-static const uint8_t g_WeightPow_11[WEIGHTPOW_ARRAY_SIZE] = {
+const uint8_t CFX_Font::s_WeightPow_11[] = {
0, 4, 7, 8, 9, 10, 12, 13, 15, 17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 39, 40, 40, 41,
41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 45, 45, 45, 46, 46, 46,
@@ -342,7 +168,7 @@ static const uint8_t g_WeightPow_11[WEIGHTPOW_ARRAY_SIZE] = {
52, 52, 52, 53, 53, 53, 53, 53, 54, 54, 54, 54, 55, 55, 55, 55, 55,
56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58,
};
-static const uint8_t g_WeightPow_SHIFTJIS[WEIGHTPOW_ARRAY_SIZE] = {
+const uint8_t CFX_Font::s_WeightPow_SHIFTJIS[] = {
0, 0, 1, 2, 3, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 21,
22, 24, 26, 28, 30, 32, 33, 35, 37, 39, 41, 43, 45, 48, 48, 48, 48,
49, 49, 49, 50, 50, 50, 50, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53,
@@ -350,223 +176,6 @@ static const uint8_t g_WeightPow_SHIFTJIS[WEIGHTPOW_ARRAY_SIZE] = {
56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58, 58, 58,
59, 59, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, 60,
};
-static void _GammaAdjust(uint8_t* pData,
- int nWid,
- int nHei,
- int src_pitch,
- const uint8_t* gammaTable) {
- int count = nHei * src_pitch;
- for (int i = 0; i < count; i++) {
- pData[i] = gammaTable[pData[i]];
- }
-}
-static void _ContrastAdjust(uint8_t* pDataIn,
- uint8_t* pDataOut,
- int nWid,
- int nHei,
- int nSrcRowBytes,
- int nDstRowBytes) {
- int col, row, temp;
- int max = 0, min = 255;
- FX_FLOAT rate;
- for (row = 0; row < nHei; row++) {
- uint8_t* pRow = pDataIn + row * nSrcRowBytes;
- for (col = 0; col < nWid; col++) {
- temp = *pRow++;
- if (temp > max) {
- max = temp;
- }
- if (temp < min) {
- min = temp;
- }
- }
- }
- temp = max - min;
- if (0 == temp || 255 == temp) {
- int rowbytes = FXSYS_abs(nSrcRowBytes) > nDstRowBytes
- ? nDstRowBytes
- : FXSYS_abs(nSrcRowBytes);
- for (row = 0; row < nHei; row++) {
- FXSYS_memcpy(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes,
- rowbytes);
- }
- return;
- }
- rate = 255.f / temp;
- for (row = 0; row < nHei; row++) {
- uint8_t* pSrcRow = pDataIn + row * nSrcRowBytes;
- uint8_t* pDstRow = pDataOut + row * nDstRowBytes;
- for (col = 0; col < nWid; col++) {
- temp = (int)((*(pSrcRow++) - min) * rate + 0.5);
- if (temp > 255) {
- temp = 255;
- } else if (temp < 0) {
- temp = 0;
- }
- *pDstRow++ = (uint8_t)temp;
- }
- }
-}
-CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont,
- uint32_t glyph_index,
- FX_BOOL bFontStyle,
- const CFX_Matrix* pMatrix,
- int dest_width,
- int anti_alias) {
- if (!m_Face) {
- return nullptr;
- }
- FXFT_Matrix ft_matrix;
- ft_matrix.xx = (signed long)(pMatrix->GetA() / 64 * 65536);
- ft_matrix.xy = (signed long)(pMatrix->GetC() / 64 * 65536);
- ft_matrix.yx = (signed long)(pMatrix->GetB() / 64 * 65536);
- ft_matrix.yy = (signed long)(pMatrix->GetD() / 64 * 65536);
- FX_BOOL bUseCJKSubFont = FALSE;
- const CFX_SubstFont* pSubstFont = pFont->GetSubstFont();
- if (pSubstFont) {
- bUseCJKSubFont = pSubstFont->m_bSubstCJK && bFontStyle;
- int skew = 0;
- if (bUseCJKSubFont) {
- skew = pSubstFont->m_bItalicCJK ? -15 : 0;
- } else {
- skew = pSubstFont->m_ItalicAngle;
- }
- if (skew) {
- // |skew| is nonpositive so |-skew| is used as the index. We need to make
- // sure |skew| != INT_MIN since -INT_MIN is undefined.
- if (skew <= 0 && skew != std::numeric_limits<int>::min() &&
- static_cast<size_t>(-skew) < ANGLESKEW_ARRAY_SIZE) {
- skew = -g_AngleSkew[-skew];
- } else {
- skew = -58;
- }
- if (pFont->IsVertical())
- ft_matrix.yx += ft_matrix.yy * skew / 100;
- else
- ft_matrix.xy -= ft_matrix.xx * skew / 100;
- }
- if (pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) {
- pFont->AdjustMMParams(glyph_index, dest_width,
- pFont->GetSubstFont()->m_Weight);
- }
- }
- ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
- int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT)
- ? FXFT_LOAD_NO_BITMAP
- : (FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING);
- int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
- if (error) {
- // if an error is returned, try to reload glyphs without hinting.
- if (load_flags & FT_LOAD_NO_HINTING || load_flags & FT_LOAD_NO_SCALE) {
- return nullptr;
- }
-
- load_flags |= FT_LOAD_NO_HINTING;
- error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
-
- if (error) {
- return nullptr;
- }
- }
- int weight = 0;
- if (bUseCJKSubFont) {
- weight = pSubstFont->m_WeightCJK;
- } else {
- weight = pSubstFont ? pSubstFont->m_Weight : 0;
- }
- if (pSubstFont && !(pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
- weight > 400) {
- uint32_t index = (weight - 400) / 10;
- if (index >= WEIGHTPOW_ARRAY_SIZE)
- return nullptr;
- int level = 0;
- if (pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
- level =
- g_WeightPow_SHIFTJIS[index] * 2 *
- (FXSYS_abs((int)(ft_matrix.xx)) + FXSYS_abs((int)(ft_matrix.xy))) /
- 36655;
- } else {
- level = g_WeightPow_11[index] * (FXSYS_abs((int)(ft_matrix.xx)) +
- FXSYS_abs((int)(ft_matrix.xy))) /
- 36655;
- }
- FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
- }
- FXFT_Library_SetLcdFilter(CFX_GEModule::Get()->GetFontMgr()->GetFTLibrary(),
- FT_LCD_FILTER_DEFAULT);
- error = FXFT_Render_Glyph(m_Face, anti_alias);
- if (error) {
- return nullptr;
- }
- int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(m_Face));
- int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(m_Face));
- if (bmwidth > 2048 || bmheight > 2048) {
- return nullptr;
- }
- int dib_width = bmwidth;
- CFX_GlyphBitmap* pGlyphBitmap = new CFX_GlyphBitmap;
- pGlyphBitmap->m_Bitmap.Create(
- dib_width, bmheight,
- anti_alias == FXFT_RENDER_MODE_MONO ? FXDIB_1bppMask : FXDIB_8bppMask);
- pGlyphBitmap->m_Left = FXFT_Get_Glyph_BitmapLeft(m_Face);
- pGlyphBitmap->m_Top = FXFT_Get_Glyph_BitmapTop(m_Face);
- int dest_pitch = pGlyphBitmap->m_Bitmap.GetPitch();
- int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(m_Face));
- uint8_t* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer();
- uint8_t* pSrcBuf =
- (uint8_t*)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(m_Face));
- if (anti_alias != FXFT_RENDER_MODE_MONO &&
- FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
- FXFT_PIXEL_MODE_MONO) {
- int bytes = anti_alias == FXFT_RENDER_MODE_LCD ? 3 : 1;
- for (int i = 0; i < bmheight; i++)
- for (int n = 0; n < bmwidth; n++) {
- uint8_t data =
- (pSrcBuf[i * src_pitch + n / 8] & (0x80 >> (n % 8))) ? 255 : 0;
- for (int b = 0; b < bytes; b++) {
- pDestBuf[i * dest_pitch + n * bytes + b] = data;
- }
- }
- } else {
- FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight);
- if (anti_alias == FXFT_RENDER_MODE_MONO &&
- FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
- FXFT_PIXEL_MODE_MONO) {
- int rowbytes =
- FXSYS_abs(src_pitch) > dest_pitch ? dest_pitch : FXSYS_abs(src_pitch);
- for (int row = 0; row < bmheight; row++) {
- FXSYS_memcpy(pDestBuf + row * dest_pitch, pSrcBuf + row * src_pitch,
- rowbytes);
- }
- } else {
- _ContrastAdjust(pSrcBuf, pDestBuf, bmwidth, bmheight, src_pitch,
- dest_pitch);
- _GammaAdjust(pDestBuf, bmwidth, bmheight, dest_pitch,
- CFX_GEModule::Get()->GetTextGammaTable());
- }
- }
- return pGlyphBitmap;
-}
-const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont,
- uint32_t glyph_index,
- int dest_width) {
- if (!m_Face || glyph_index == (uint32_t)-1)
- return nullptr;
-
- uint32_t key = glyph_index;
- if (pFont->GetSubstFont()) {
- key += (((pFont->GetSubstFont()->m_Weight / 16) << 15) +
- ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) +
- ((dest_width / 16) << 25) + (pFont->IsVertical() << 31));
- }
- auto it = m_PathMap.find(key);
- if (it != m_PathMap.end())
- return it->second;
-
- CFX_PathData* pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width);
- m_PathMap[key] = pGlyphPath;
- return pGlyphPath;
-}
typedef struct {
FX_BOOL m_bCount;
int m_PointCount;
@@ -705,8 +314,8 @@ CFX_PathData* CFX_Font::LoadGlyphPath(uint32_t glyph_index, int dest_width) {
// |skew| is nonpositive so |-skew| is used as the index. We need to make
// sure |skew| != INT_MIN since -INT_MIN is undefined.
if (skew <= 0 && skew != std::numeric_limits<int>::min() &&
- static_cast<size_t>(-skew) < ANGLESKEW_ARRAY_SIZE) {
- skew = -g_AngleSkew[-skew];
+ static_cast<size_t>(-skew) < kAngleSkewArraySize) {
+ skew = -s_AngleSkew[-skew];
} else {
skew = -58;
}
@@ -729,13 +338,12 @@ CFX_PathData* CFX_Font::LoadGlyphPath(uint32_t glyph_index, int dest_width) {
if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
m_pSubstFont->m_Weight > 400) {
uint32_t index = (m_pSubstFont->m_Weight - 400) / 10;
- if (index >= WEIGHTPOW_ARRAY_SIZE)
- index = WEIGHTPOW_ARRAY_SIZE - 1;
+ index = std::min(index, static_cast<uint32_t>(kWeightPowArraySize - 1));
int level = 0;
if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET)
- level = g_WeightPow_SHIFTJIS[index] * 2 * 65536 / 36655;
+ level = s_WeightPow_SHIFTJIS[index] * 2 * 65536 / 36655;
else
- level = g_WeightPow[index] * 2;
+ level = s_WeightPow[index] * 2;
FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
}
FXFT_Outline_Funcs funcs;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 14:25:53 +0000