// 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 "../../../include/fxge/fx_ge.h" | |
#include "../../../include/fxge/fx_freetype.h" | |
#include "../../../include/fxcodec/fx_codec.h" | |
#include "text_int.h" | |
#undef FX_GAMMA | |
#undef FX_GAMMA_INVERSE | |
#define FX_GAMMA(value) (value) | |
#define FX_GAMMA_INVERSE(value) (value) | |
FX_RECT FXGE_GetGlyphsBBox(FXTEXT_GLYPHPOS* pGlyphAndPos, int nChars, int anti_alias, FX_FLOAT retinaScaleX, FX_FLOAT retinaScaleY) | |
{ | |
FX_RECT rect(0, 0, 0, 0); | |
FX_BOOL bStarted = FALSE; | |
for (int iChar = 0; iChar < nChars; iChar ++) { | |
FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar]; | |
const CFX_GlyphBitmap* pGlyph = glyph.m_pGlyph; | |
if (pGlyph == NULL) { | |
continue; | |
} | |
int char_left = glyph.m_OriginX + pGlyph->m_Left; | |
int char_width = (int)(pGlyph->m_Bitmap.GetWidth() / retinaScaleX); | |
if (anti_alias == FXFT_RENDER_MODE_LCD) { | |
char_width /= 3; | |
} | |
int char_right = char_left + char_width; | |
int char_top = glyph.m_OriginY - pGlyph->m_Top; | |
int char_bottom = char_top + (int)(pGlyph->m_Bitmap.GetHeight() / retinaScaleY); | |
if (!bStarted) { | |
rect.left = char_left; | |
rect.right = char_right; | |
rect.top = char_top; | |
rect.bottom = char_bottom; | |
bStarted = TRUE; | |
} else { | |
if (rect.left > char_left) { | |
rect.left = char_left; | |
} | |
if (rect.right < char_right) { | |
rect.right = char_right; | |
} | |
if (rect.top > char_top) { | |
rect.top = char_top; | |
} | |
if (rect.bottom < char_bottom) { | |
rect.bottom = char_bottom; | |
} | |
} | |
} | |
return rect; | |
} | |
static void _AdjustGlyphSpace(FXTEXT_GLYPHPOS* pGlyphAndPos, int nChars) | |
{ | |
ASSERT(nChars > 1); | |
FX_BOOL bVertical = FALSE; | |
if (pGlyphAndPos[nChars - 1].m_OriginX == pGlyphAndPos[0].m_OriginX) { | |
bVertical = TRUE; | |
} else if (pGlyphAndPos[nChars - 1].m_OriginY != pGlyphAndPos[0].m_OriginY) { | |
return; | |
} | |
int i = nChars - 1; | |
int* next_origin = bVertical ? &pGlyphAndPos[i].m_OriginY : &pGlyphAndPos[i].m_OriginX; | |
FX_FLOAT next_origin_f = bVertical ? pGlyphAndPos[i].m_fOriginY : pGlyphAndPos[i].m_fOriginX; | |
for (i --; i > 0; i --) { | |
int* this_origin = bVertical ? &pGlyphAndPos[i].m_OriginY : &pGlyphAndPos[i].m_OriginX; | |
FX_FLOAT this_origin_f = bVertical ? pGlyphAndPos[i].m_fOriginY : pGlyphAndPos[i].m_fOriginX; | |
int space = (*next_origin) - (*this_origin); | |
FX_FLOAT space_f = next_origin_f - this_origin_f; | |
FX_FLOAT error = (FX_FLOAT)(FXSYS_fabs(space_f) - FXSYS_fabs((FX_FLOAT)(space))); | |
if (error > 0.5f) { | |
*this_origin += space > 0 ? -1 : 1; | |
} | |
next_origin = this_origin; | |
next_origin_f = this_origin_f; | |
} | |
} | |
static const FX_BYTE g_GdipGamma_bgw[9] = {0, 0, 63, 120, 0, 168, 210, 239, 255}; | |
static const FX_BYTE g_GdipGamma_fgw[9] = {0, 0, 16, 45, 0, 87, 135, 192, 255}; | |
static const FX_BYTE g_GdipGammaAdjust_47[48] = { | |
0, 30, 33, 34, 35, 36, 37, 38, 38, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 42, 43, | |
43, 43, 43, 43, 44, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 45, 46, | |
46, 46, 46, 46, 46, 46, 46, 47 | |
}; | |
static const FX_BYTE g_GdipGammaAdjust_75[76] = { | |
0, 46, 50, 52, 54, 55, 56, 57, 58, 59, 60, 60, 61, 61, 62, 62, 63, 63, 64, 64, 64, 65, | |
65, 65, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 68, 68, 69, 69, 69, 69, 69, 70, 70, 70, | |
70, 70, 71, 71, 71, 71, 71, 71, 72, 72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, 73, 73, | |
73, 74, 74, 74, 74, 74, 74, 74, 74, 75 | |
}; | |
static const FX_BYTE g_GdipGammaAdjust_81[82] = { | |
0, 49, 53, 56, 58, 59, 60, 61, 62, 63, 64, 65, 65, 66, 66, 67, 67, 68, 68, 69, 69, 69, 70, 70, 70, | |
71, 71, 71, 72, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 74, 74, 75, 75, 75, 75, 75, 76, 76, 76, 76, | |
76, 76, 77, 77, 77, 77, 77, 77, 78, 78, 78, 78, 78, 78, 78, 79, 79, 79, 79, 79, 79, 79, 79, 80, | |
80, 80, 80, 80, 80, 80, 80, 81 | |
}; | |
static void _Adjust_alpha(int background, int foreground, int& src_alpha, int text_flags, int a) | |
{ | |
} | |
static const FX_BYTE g_TextGammaAdjust[256] = { | |
0, 2, 3, 4, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18, 19, | |
21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 38, | |
39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, | |
56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 71, 72, | |
73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, | |
89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, | |
105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, | |
121, 122, 123, 124, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134, 135, | |
136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, | |
152, 153, 154, 155, 156, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, | |
167, 168, 169, 170, 171, 172, 173, 174, 174, 175, 176, 177, 178, 179, 180, 181, | |
182, 183, 184, 185, 186, 187, 188, 189, 190, 190, 191, 192, 193, 194, 195, 196, | |
197, 198, 199, 200, 201, 202, 203, 204, 204, 205, 206, 207, 208, 209, 210, 211, | |
212, 213, 214, 215, 216, 217, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, | |
227, 228, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 239, 240, | |
241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 250, 251, 252, 253, 254, 255, | |
}; | |
#define ADJUST_ALPHA(background, foreground, src_alpha, text_flags, a) \ | |
src_alpha = g_TextGammaAdjust[(FX_BYTE)src_alpha]; | |
void _Color2Argb(FX_ARGB& argb, FX_DWORD color, int alpha_flag, void* pIccTransform) | |
{ | |
if (pIccTransform == NULL && !FXGETFLAG_COLORTYPE(alpha_flag)) { | |
argb = color; | |
return; | |
} | |
if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { | |
pIccTransform = NULL; | |
} | |
FX_BYTE bgra[4]; | |
if (pIccTransform) { | |
ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); | |
color = FXGETFLAG_COLORTYPE(alpha_flag) ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); | |
pIccModule->TranslateScanline(pIccTransform, bgra, (FX_LPCBYTE)&color, 1); | |
bgra[3] = FXGETFLAG_COLORTYPE(alpha_flag) ? | |
(alpha_flag >> 24) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXGETFLAG_ALPHA_STROKE(alpha_flag) : | |
FXARGB_A(color); | |
argb = FXARGB_MAKE(bgra[3], bgra[2], bgra[1], bgra[0]); | |
return; | |
} | |
AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), | |
FXSYS_GetYValue(color), FXSYS_GetKValue(color), | |
bgra[2], bgra[1], bgra[0]); | |
bgra[3] = (alpha_flag >> 24) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXGETFLAG_ALPHA_STROKE(alpha_flag); | |
argb = FXARGB_MAKE(bgra[3], bgra[2], bgra[1], bgra[0]); | |
} | |
FX_BOOL CFX_RenderDevice::DrawNormalText(int nChars, const FXTEXT_CHARPOS* pCharPos, | |
CFX_Font* pFont, CFX_FontCache* pCache, | |
FX_FLOAT font_size, const CFX_AffineMatrix* pText2Device, | |
FX_DWORD fill_color, FX_DWORD text_flags, | |
int alpha_flag, void* pIccTransform) | |
{ | |
int nativetext_flags = text_flags; | |
if (m_DeviceClass != FXDC_DISPLAY) { | |
if (!(text_flags & FXTEXT_PRINTGRAPHICTEXT)) { | |
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
if (!(text_flags & FXFONT_CIDFONT) && pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) == -1) | |
#ifdef FOXIT_CHROME_BUILD | |
if (pFont->GetPsName() != CFX_WideString::FromLocal("CNAAJI+cmex10")) | |
#endif | |
#endif | |
if (m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, pText2Device, font_size, fill_color, alpha_flag, pIccTransform)) { | |
return TRUE; | |
} | |
} | |
int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(fill_color); | |
if (alpha < 255) { | |
return FALSE; | |
} | |
} else if (!(text_flags & FXTEXT_NO_NATIVETEXT)) { | |
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
if (!(text_flags & FXFONT_CIDFONT)) | |
#ifdef FOXIT_CHROME_BUILD | |
if (pFont->GetPsName() != CFX_WideString::FromLocal("CNAAJI+cmex10")) | |
#endif | |
#endif | |
if (m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, pText2Device, font_size, fill_color, alpha_flag, pIccTransform)) { | |
return TRUE; | |
} | |
} | |
CFX_AffineMatrix char2device, deviceCtm, text2Device; | |
if (pText2Device) { | |
char2device = *pText2Device; | |
text2Device = *pText2Device; | |
} | |
char2device.Scale(font_size, -font_size); | |
if (FXSYS_fabs(char2device.a) + FXSYS_fabs(char2device.b) > 50 * 1.0f || | |
((m_DeviceClass == FXDC_PRINTER && !m_pDeviceDriver->IsPSPrintDriver()) | |
&& !(text_flags & FXTEXT_PRINTIMAGETEXT))) { | |
if (pFont->GetFace() != NULL || (pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) { | |
int nPathFlags = (text_flags & FXTEXT_NOSMOOTH) == 0 ? 0 : FXFILL_NOPATHSMOOTH; | |
return DrawTextPath(nChars, pCharPos, pFont, pCache, font_size, pText2Device, NULL, NULL, fill_color, 0, NULL, nPathFlags, alpha_flag, pIccTransform); | |
} | |
} | |
int anti_alias = FXFT_RENDER_MODE_MONO; | |
FX_BOOL bNormal = FALSE; | |
if ((text_flags & FXTEXT_NOSMOOTH) == 0) { | |
if (m_DeviceClass == FXDC_DISPLAY && m_bpp > 1) { | |
FX_BOOL bClearType; | |
if (pFont->GetFace() == NULL && !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_CLEARTYPE)) { | |
bClearType = FALSE; | |
} else { | |
bClearType = text_flags & FXTEXT_CLEARTYPE; | |
} | |
if ((m_RenderCaps & (FXRC_ALPHA_OUTPUT | FXRC_CMYK_OUTPUT))) { | |
anti_alias = FXFT_RENDER_MODE_LCD; | |
bNormal = TRUE; | |
} else if (m_bpp < 16) { | |
anti_alias = FXFT_RENDER_MODE_NORMAL; | |
} else { | |
if (bClearType == FALSE) { | |
anti_alias = FXFT_RENDER_MODE_LCD; | |
bNormal = TRUE; | |
} else { | |
anti_alias = FXFT_RENDER_MODE_LCD; | |
} | |
} | |
} | |
} | |
if (pCache == NULL) { | |
pCache = CFX_GEModule::Get()->GetFontCache(); | |
} | |
CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont); | |
FX_FONTCACHE_DEFINE(pCache, pFont); | |
FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars); | |
if (!pGlyphAndPos) { | |
return FALSE; | |
} | |
int iChar; | |
deviceCtm = char2device; | |
CFX_AffineMatrix matrixCTM = GetCTM(); | |
FX_FLOAT scale_x = FXSYS_fabs(matrixCTM.a); | |
FX_FLOAT scale_y = FXSYS_fabs(matrixCTM.d); | |
deviceCtm.Concat(scale_x, 0, 0, scale_y, 0, 0); | |
text2Device.Concat(scale_x, 0, 0, scale_y, 0, 0); | |
for (iChar = 0; iChar < nChars; iChar ++) { | |
FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar]; | |
const FXTEXT_CHARPOS& charpos = pCharPos[iChar]; | |
glyph.m_fOriginX = charpos.m_OriginX; | |
glyph.m_fOriginY = charpos.m_OriginY; | |
text2Device.Transform(glyph.m_fOriginX, glyph.m_fOriginY); | |
if (anti_alias < FXFT_RENDER_MODE_LCD) { | |
glyph.m_OriginX = FXSYS_round(glyph.m_fOriginX); | |
} else { | |
glyph.m_OriginX = (int)FXSYS_floor(glyph.m_fOriginX); | |
} | |
glyph.m_OriginY = FXSYS_round(glyph.m_fOriginY); | |
if (charpos.m_bGlyphAdjust) { | |
CFX_AffineMatrix new_matrix(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1], | |
charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0); | |
new_matrix.Concat(deviceCtm); | |
glyph.m_pGlyph = pFaceCache->LoadGlyphBitmap(pFont, charpos.m_GlyphIndex, charpos.m_bFontStyle, &new_matrix, | |
charpos.m_FontCharWidth, anti_alias, nativetext_flags); | |
} else | |
glyph.m_pGlyph = pFaceCache->LoadGlyphBitmap(pFont, charpos.m_GlyphIndex, charpos.m_bFontStyle, &deviceCtm, | |
charpos.m_FontCharWidth, anti_alias, nativetext_flags); | |
} | |
if (anti_alias < FXFT_RENDER_MODE_LCD && nChars > 1) { | |
_AdjustGlyphSpace(pGlyphAndPos, nChars); | |
} | |
FX_RECT bmp_rect1 = FXGE_GetGlyphsBBox(pGlyphAndPos, nChars, anti_alias); | |
if (scale_x > 1 && scale_y > 1) { | |
bmp_rect1.left--; | |
bmp_rect1.top --; | |
bmp_rect1.right ++; | |
bmp_rect1.bottom ++; | |
} | |
FX_RECT bmp_rect(FXSYS_round((FX_FLOAT)(bmp_rect1.left) / scale_x), FXSYS_round((FX_FLOAT)(bmp_rect1.top) / scale_y), | |
FXSYS_round((FX_FLOAT)bmp_rect1.right / scale_x), FXSYS_round((FX_FLOAT)bmp_rect1.bottom / scale_y)); | |
bmp_rect.Intersect(m_ClipBox); | |
if (bmp_rect.IsEmpty()) { | |
FX_Free(pGlyphAndPos); | |
return TRUE; | |
} | |
int pixel_width = FXSYS_round(bmp_rect.Width() * scale_x); | |
int pixel_height = FXSYS_round(bmp_rect.Height() * scale_y); | |
int pixel_left = FXSYS_round(bmp_rect.left * scale_x); | |
int pixel_top = FXSYS_round(bmp_rect.top * scale_y); | |
if (anti_alias == FXFT_RENDER_MODE_MONO) { | |
CFX_DIBitmap bitmap; | |
if (!bitmap.Create(pixel_width, pixel_height, FXDIB_1bppMask)) { | |
FX_Free(pGlyphAndPos); | |
return FALSE; | |
} | |
bitmap.Clear(0); | |
for (iChar = 0; iChar < nChars; iChar ++) { | |
FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar]; | |
if (glyph.m_pGlyph == NULL) { | |
continue; | |
} | |
const CFX_DIBitmap* pGlyph = &glyph.m_pGlyph->m_Bitmap; | |
bitmap.TransferBitmap(glyph.m_OriginX + glyph.m_pGlyph->m_Left - pixel_left, | |
glyph.m_OriginY - glyph.m_pGlyph->m_Top - pixel_top, | |
pGlyph->GetWidth(), pGlyph->GetHeight(), pGlyph, 0, 0); | |
} | |
FX_Free(pGlyphAndPos); | |
return SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color); | |
} | |
CFX_DIBitmap bitmap; | |
if (m_bpp == 8) { | |
if (!bitmap.Create(pixel_width, pixel_height, FXDIB_8bppMask)) { | |
FX_Free(pGlyphAndPos); | |
return FALSE; | |
} | |
} else { | |
if (!CreateCompatibleBitmap(&bitmap, pixel_width, pixel_height)) { | |
FX_Free(pGlyphAndPos); | |
return FALSE; | |
} | |
} | |
if (!bitmap.HasAlpha() && !bitmap.IsAlphaMask()) { | |
bitmap.Clear(0xFFFFFFFF); | |
if (!GetDIBits(&bitmap, bmp_rect.left, bmp_rect.top)) { | |
FX_Free(pGlyphAndPos); | |
return FALSE; | |
} | |
} else { | |
bitmap.Clear(0); | |
if (bitmap.m_pAlphaMask) { | |
bitmap.m_pAlphaMask->Clear(0); | |
} | |
} | |
int dest_width = pixel_width; | |
FX_LPBYTE dest_buf = bitmap.GetBuffer(); | |
int dest_pitch = bitmap.GetPitch(); | |
int Bpp = bitmap.GetBPP() / 8; | |
int a, r, g, b; | |
if (anti_alias == FXFT_RENDER_MODE_LCD) { | |
_Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform); | |
ArgbDecode(fill_color, a, r, g, b); | |
r = FX_GAMMA(r); | |
g = FX_GAMMA(g); | |
b = FX_GAMMA(b); | |
} | |
for (iChar = 0; iChar < nChars; iChar ++) { | |
FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar]; | |
if (glyph.m_pGlyph == NULL) { | |
continue; | |
} | |
const CFX_DIBitmap* pGlyph = &glyph.m_pGlyph->m_Bitmap; | |
int left = glyph.m_OriginX + glyph.m_pGlyph->m_Left - pixel_left; | |
int top = glyph.m_OriginY - glyph.m_pGlyph->m_Top - pixel_top; | |
int ncols = pGlyph->GetWidth(); | |
int nrows = pGlyph->GetHeight(); | |
if (anti_alias == FXFT_RENDER_MODE_NORMAL) { | |
if (!bitmap.CompositeMask(left, top, ncols, nrows, pGlyph, fill_color, | |
0, 0, FXDIB_BLEND_NORMAL, NULL, FALSE, alpha_flag, pIccTransform)) { | |
FX_Free(pGlyphAndPos); | |
return FALSE; | |
} | |
continue; | |
} | |
FX_BOOL bBGRStripe = text_flags & FXTEXT_BGR_STRIPE; | |
ncols /= 3; | |
int x_subpixel = (int)(glyph.m_fOriginX * 3) % 3; | |
FX_LPBYTE src_buf = pGlyph->GetBuffer(); | |
int src_pitch = pGlyph->GetPitch(); | |
int start_col = left; | |
if (start_col < 0) { | |
start_col = 0; | |
} | |
int end_col = left + ncols; | |
if (end_col > dest_width) { | |
end_col = dest_width; | |
} | |
if (start_col >= end_col) { | |
continue; | |
} | |
if (bitmap.GetFormat() == FXDIB_Argb) { | |
for (int row = 0; row < nrows; row ++) { | |
int dest_row = row + top; | |
if (dest_row < 0 || dest_row >= bitmap.GetHeight()) { | |
continue; | |
} | |
FX_LPBYTE src_scan = src_buf + row * src_pitch + (start_col - left) * 3; | |
FX_LPBYTE dest_scan = dest_buf + dest_row * dest_pitch + (start_col << 2); | |
if (bBGRStripe) { | |
if (x_subpixel == 0) { | |
for (int col = start_col; col < end_col; col ++) { | |
int src_alpha = src_scan[2]; | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[1]; | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[0]; | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} else if (x_subpixel == 1) { | |
int src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
if (start_col > left) { | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
} | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
for (int col = start_col + 1; col < end_col - 1; col ++) { | |
int src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} else { | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
if (start_col > left) { | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
} | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
for (int col = start_col + 1; col < end_col - 1; col ++) { | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} | |
} else { | |
if (x_subpixel == 0) { | |
for (int col = start_col; col < end_col; col ++) { | |
if (bNormal) { | |
int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[2]) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
FX_BYTE back_alpha = dest_scan[3]; | |
if (back_alpha == 0) { | |
FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
if (src_alpha1 == 0) { | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; | |
dest_scan[3] = dest_alpha; | |
int alpha_ratio = src_alpha1 * 255 / dest_alpha; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio)); | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[2]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} else if (x_subpixel == 1) { | |
if (bNormal) { | |
int src_alpha1 = start_col > left ? ((src_scan[-1] + src_scan[0] + src_scan[1]) / 3) : ((src_scan[0] + src_scan[1]) / 3); | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
if (src_alpha1 == 0) { | |
dest_scan += 4; | |
src_scan += 3; | |
} else { | |
FX_BYTE back_alpha = dest_scan[3]; | |
if (back_alpha == 0) { | |
FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); | |
} else { | |
FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; | |
dest_scan[3] = dest_alpha; | |
int alpha_ratio = src_alpha1 * 255 / dest_alpha; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio)); | |
} | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} else { | |
if (start_col > left) { | |
int src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
} | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
for (int col = start_col + 1; col < end_col; col ++) { | |
if (bNormal) { | |
int src_alpha1 = (src_scan[-1] + src_scan[0] + src_scan[1]) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
FX_BYTE back_alpha = dest_scan[3]; | |
if (back_alpha == 0) { | |
FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
if (src_alpha1 == 0) { | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; | |
dest_scan[3] = dest_alpha; | |
int alpha_ratio = src_alpha1 * 255 / dest_alpha; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio)); | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
int src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} else { | |
if (bNormal) { | |
int src_alpha1 = start_col > left ? ((src_scan[-2] + src_scan[-1] + src_scan[0]) / 3) : ((src_scan[0]) / 3); | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
if (src_alpha1 == 0) { | |
dest_scan += 4; | |
src_scan += 3; | |
} else { | |
FX_BYTE back_alpha = dest_scan[3]; | |
if (back_alpha == 0) { | |
FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); | |
} else { | |
FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; | |
dest_scan[3] = dest_alpha; | |
int alpha_ratio = src_alpha1 * 255 / dest_alpha; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio)); | |
} | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} else { | |
if (start_col > left) { | |
int src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
} | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
for (int col = start_col + 1; col < end_col; col ++) { | |
if (bNormal) { | |
int src_alpha1 = (src_scan[-2] + src_scan[-1] + src_scan[0]) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
FX_BYTE back_alpha = dest_scan[3]; | |
if (back_alpha == 0) { | |
FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
if (src_alpha1 == 0) { | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
FX_BYTE dest_alpha = back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255; | |
dest_scan[3] = dest_alpha; | |
int alpha_ratio = src_alpha1 * 255 / dest_alpha; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio)); | |
dest_scan += 4; | |
src_scan += 3; | |
continue; | |
} | |
int src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan[3] = 255; | |
dest_scan += 4; | |
src_scan += 3; | |
} | |
} | |
} | |
} | |
} else { | |
for (int row = 0; row < nrows; row ++) { | |
int dest_row = row + top; | |
if (dest_row < 0 || dest_row >= bitmap.GetHeight()) { | |
continue; | |
} | |
FX_LPBYTE src_scan = src_buf + row * src_pitch + (start_col - left) * 3; | |
FX_LPBYTE dest_scan = dest_buf + dest_row * dest_pitch + start_col * Bpp; | |
if (bBGRStripe) { | |
if (x_subpixel == 0) { | |
for (int col = start_col; col < end_col; col ++) { | |
int src_alpha = src_scan[2]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
} else if (x_subpixel == 1) { | |
int src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
if (start_col > left) { | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
} | |
dest_scan += Bpp; | |
src_scan += 3; | |
for (int col = start_col + 1; col < end_col - 1; col ++) { | |
int src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
} else { | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
if (start_col > left) { | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
} | |
dest_scan += Bpp; | |
src_scan += 3; | |
for (int col = start_col + 1; col < end_col - 1; col ++) { | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
} | |
} else { | |
if (x_subpixel == 0) { | |
for (int col = start_col; col < end_col; col ++) { | |
if (bNormal) { | |
int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[2]) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
if (src_alpha1 == 0) { | |
dest_scan += Bpp; | |
src_scan += 3; | |
continue; | |
} | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
continue; | |
} | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[2]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
} else if (x_subpixel == 1) { | |
if (bNormal) { | |
int src_alpha1 = start_col > left ? (src_scan[0] + src_scan[1] + src_scan[-1]) / 3 : (src_scan[0] + src_scan[1]) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} else { | |
if (start_col > left) { | |
int src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
} | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
for (int col = start_col + 1; col < end_col; col ++) { | |
if (bNormal) { | |
int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[-1]) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
if (src_alpha1 == 0) { | |
dest_scan += Bpp; | |
src_scan += 3; | |
continue; | |
} | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
continue; | |
} | |
int src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[1]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
} else { | |
if (bNormal) { | |
int src_alpha1 = start_col > left ? (src_scan[0] + src_scan[-2] + src_scan[-1]) / 3 : src_scan[0] / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} else { | |
if (start_col > left) { | |
int src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
} | |
int src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
for (int col = start_col + 1; col < end_col; col ++) { | |
if (bNormal) { | |
int src_alpha1 = ((int)(src_scan[0]) + (int)(src_scan[-2]) + (int)(src_scan[-1])) / 3; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a); | |
src_alpha1 = src_alpha1 * a / 255; | |
if (src_alpha1 == 0) { | |
dest_scan += Bpp; | |
src_scan += 3; | |
continue; | |
} | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1)); | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1)); | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
continue; | |
} | |
int src_alpha = src_scan[-2]; | |
ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha)); | |
src_alpha = src_scan[-1]; | |
ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha)); | |
src_alpha = src_scan[0]; | |
ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a); | |
src_alpha = src_alpha * a / 255; | |
dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha)); | |
dest_scan += Bpp; | |
src_scan += 3; | |
} | |
} | |
} | |
} | |
} | |
} | |
if (bitmap.IsAlphaMask()) { | |
SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color, alpha_flag, pIccTransform); | |
} else { | |
SetDIBits(&bitmap, bmp_rect.left, bmp_rect.top); | |
} | |
FX_Free(pGlyphAndPos); | |
return TRUE; | |
} | |
FX_BOOL CFX_RenderDevice::DrawTextPath(int nChars, const FXTEXT_CHARPOS* pCharPos, | |
CFX_Font* pFont, CFX_FontCache* pCache, | |
FX_FLOAT font_size, const CFX_AffineMatrix* pText2User, | |
const CFX_AffineMatrix* pUser2Device, const CFX_GraphStateData* pGraphState, | |
FX_DWORD fill_color, FX_ARGB stroke_color, CFX_PathData* pClippingPath, int nFlag, | |
int alpha_flag, void* pIccTransform, int blend_type) | |
{ | |
if (pCache == NULL) { | |
pCache = CFX_GEModule::Get()->GetFontCache(); | |
} | |
CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont); | |
FX_FONTCACHE_DEFINE(pCache, pFont); | |
for (int iChar = 0; iChar < nChars; iChar ++) { | |
const FXTEXT_CHARPOS& charpos = pCharPos[iChar]; | |
CFX_AffineMatrix matrix; | |
if (charpos.m_bGlyphAdjust) | |
matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1], | |
charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0); | |
matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX, charpos.m_OriginY); | |
const CFX_PathData* pPath = pFaceCache->LoadGlyphPath(pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth); | |
if (pPath == NULL) { | |
continue; | |
} | |
matrix.Concat(*pText2User); | |
CFX_PathData TransformedPath(*pPath); | |
TransformedPath.Transform(&matrix); | |
FX_BOOL bHasAlpha = FXGETFLAG_COLORTYPE(alpha_flag) ? | |
(FXGETFLAG_ALPHA_FILL(alpha_flag) || FXGETFLAG_ALPHA_STROKE(alpha_flag)) : | |
(fill_color || stroke_color); | |
if (bHasAlpha) { | |
int fill_mode = nFlag; | |
if (FXGETFLAG_COLORTYPE(alpha_flag)) { | |
if (FXGETFLAG_ALPHA_FILL(alpha_flag)) { | |
fill_mode |= FXFILL_WINDING; | |
} | |
} else { | |
if (fill_color) { | |
fill_mode |= FXFILL_WINDING; | |
} | |
} | |
fill_mode |= FX_FILL_TEXT_MODE; | |
if (!DrawPath(&TransformedPath, pUser2Device, pGraphState, fill_color, stroke_color, fill_mode, alpha_flag, pIccTransform, blend_type)) { | |
return FALSE; | |
} | |
} | |
if (pClippingPath) { | |
pClippingPath->Append(&TransformedPath, pUser2Device); | |
} | |
} | |
return TRUE; | |
} | |
CFX_FontCache::~CFX_FontCache() | |
{ | |
FreeCache(TRUE); | |
} | |
CFX_FaceCache* CFX_FontCache::GetCachedFace(CFX_Font* pFont) | |
{ | |
FX_BOOL bExternal = pFont->GetFace() == NULL; | |
void* face = bExternal ? pFont->GetSubstFont()->m_ExtHandle : pFont->GetFace(); | |
CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap; | |
CFX_CountedFaceCache* counted_face_cache = NULL; | |
if (map.Lookup((FXFT_Face)face, counted_face_cache)) { | |
counted_face_cache->m_nCount++; | |
return counted_face_cache->m_Obj; | |
} | |
CFX_FaceCache* face_cache = NULL; | |
face_cache = FX_NEW CFX_FaceCache(bExternal ? NULL : (FXFT_Face)face); | |
if (face_cache == NULL) { | |
return NULL; | |
} | |
counted_face_cache = FX_NEW CFX_CountedFaceCache; | |
if (!counted_face_cache) { | |
if (face_cache) { | |
delete face_cache; | |
face_cache = NULL; | |
} | |
return NULL; | |
} | |
counted_face_cache->m_nCount = 2; | |
counted_face_cache->m_Obj = face_cache; | |
map.SetAt((FXFT_Face)face, counted_face_cache); | |
return face_cache; | |
} | |
void CFX_FontCache::ReleaseCachedFace(CFX_Font* pFont) | |
{ | |
FX_BOOL bExternal = pFont->GetFace() == NULL; | |
void* face = bExternal ? pFont->GetSubstFont()->m_ExtHandle : pFont->GetFace(); | |
CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap; | |
CFX_CountedFaceCache* counted_face_cache = NULL; | |
if (!map.Lookup((FXFT_Face)face, counted_face_cache)) { | |
return; | |
} | |
if (counted_face_cache->m_nCount > 1) { | |
counted_face_cache->m_nCount--; | |
} | |
} | |
void CFX_FontCache::FreeCache(FX_BOOL bRelease) | |
{ | |
{ | |
FX_POSITION pos; | |
pos = m_FTFaceMap.GetStartPosition(); | |
while (pos) { | |
FXFT_Face face; | |
CFX_CountedFaceCache* cache; | |
m_FTFaceMap.GetNextAssoc(pos, face, cache); | |
if (bRelease || cache->m_nCount < 2) { | |
delete cache->m_Obj; | |
delete cache; | |
m_FTFaceMap.RemoveKey(face); | |
} | |
} | |
pos = m_ExtFaceMap.GetStartPosition(); | |
while (pos) { | |
FXFT_Face face; | |
CFX_CountedFaceCache* cache; | |
m_ExtFaceMap.GetNextAssoc(pos, face, cache); | |
if (bRelease || cache->m_nCount < 2) { | |
delete cache->m_Obj; | |
delete cache; | |
m_ExtFaceMap.RemoveKey(face); | |
} | |
} | |
} | |
} | |
CFX_FaceCache::CFX_FaceCache(FXFT_Face face) | |
{ | |
m_Face = face; | |
m_pBitmap = NULL; | |
} | |
CFX_FaceCache::~CFX_FaceCache() | |
{ | |
FX_POSITION pos = m_SizeMap.GetStartPosition(); | |
CFX_ByteString Key; | |
CFX_SizeGlyphCache* pSizeCache = NULL; | |
while(pos) { | |
m_SizeMap.GetNextAssoc( pos, Key, (void*&)pSizeCache); | |
delete pSizeCache; | |
} | |
m_SizeMap.RemoveAll(); | |
pos = m_PathMap.GetStartPosition(); | |
FX_LPVOID key1; | |
CFX_PathData* pPath; | |
while (pos) { | |
m_PathMap.GetNextAssoc(pos, key1, (FX_LPVOID&)pPath); | |
delete pPath; | |
} | |
if (m_pBitmap) { | |
delete m_pBitmap; | |
} | |
m_PathMap.RemoveAll(); | |
} | |
#if ((_FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_)|| defined(_FPDFAPI_MINI_)) | |
void CFX_FaceCache::InitPlatform() | |
{ | |
} | |
#endif | |
CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(CFX_Font* pFont, const CFX_AffineMatrix* pMatrix, | |
CFX_ByteStringC& FaceGlyphsKey, FX_DWORD glyph_index, FX_BOOL bFontStyle, | |
int dest_width, int anti_alias) | |
{ | |
CFX_SizeGlyphCache* pSizeCache = NULL; | |
if (!m_SizeMap.Lookup(FaceGlyphsKey, (void*&)pSizeCache)) { | |
pSizeCache = FX_NEW CFX_SizeGlyphCache; | |
if (pSizeCache == NULL) { | |
return NULL; | |
} | |
m_SizeMap.SetAt(FaceGlyphsKey, pSizeCache); | |
} | |
CFX_GlyphBitmap* pGlyphBitmap = NULL; | |
if (pSizeCache->m_GlyphMap.Lookup((FX_LPVOID)(FX_UINTPTR)glyph_index, (void*&)pGlyphBitmap)) { | |
return pGlyphBitmap; | |
} | |
pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle, pMatrix, dest_width, anti_alias); | |
if (pGlyphBitmap == NULL) { | |
return NULL; | |
} | |
pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)glyph_index, pGlyphBitmap); | |
return pGlyphBitmap; | |
} | |
const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont, FX_DWORD glyph_index, FX_BOOL bFontStyle, const CFX_AffineMatrix* pMatrix, | |
int dest_width, int anti_alias, int& text_flags) | |
{ | |
if (glyph_index == (FX_DWORD) - 1) { | |
return NULL; | |
} | |
_CFX_UniqueKeyGen keygen; | |
#if ((_FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_)|| defined(_FPDFAPI_MINI_)) | |
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_ByteStringC FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen); | |
#if ((_FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_)|| defined(_FPDFAPI_MINI_)) | |
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); | |
} else { | |
CFX_GlyphBitmap* pGlyphBitmap; | |
CFX_SizeGlyphCache* pSizeCache = NULL; | |
if (m_SizeMap.Lookup(FaceGlyphsKey, (void*&)pSizeCache)) { | |
if (pSizeCache->m_GlyphMap.Lookup((FX_LPVOID)(FX_UINTPTR)glyph_index, (void*&)pGlyphBitmap)) { | |
return pGlyphBitmap; | |
} | |
pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, dest_width, anti_alias); | |
if (pGlyphBitmap) { | |
pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)glyph_index, pGlyphBitmap); | |
return pGlyphBitmap; | |
} | |
} else { | |
pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, dest_width, anti_alias); | |
if (pGlyphBitmap) { | |
pSizeCache = FX_NEW CFX_SizeGlyphCache; | |
if (pSizeCache == NULL) { | |
return NULL; | |
} | |
m_SizeMap.SetAt(FaceGlyphsKey, pSizeCache); | |
pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)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_ByteStringC FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen); | |
text_flags |= FXTEXT_NO_NATIVETEXT; | |
return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index, bFontStyle, dest_width, anti_alias); | |
} | |
#endif | |
} | |
CFX_SizeGlyphCache::~CFX_SizeGlyphCache() | |
{ | |
FX_POSITION pos = m_GlyphMap.GetStartPosition(); | |
FX_LPVOID Key; | |
CFX_GlyphBitmap* pGlyphBitmap = NULL; | |
while(pos) { | |
m_GlyphMap.GetNextAssoc(pos, Key, (void*&)pGlyphBitmap); | |
delete pGlyphBitmap; | |
} | |
m_GlyphMap.RemoveAll(); | |
} | |
#if defined(_FPDFAPI_MINI_) | |
#define CONTRAST_RAMP_STEP 16 | |
#else | |
#define CONTRAST_RAMP_STEP 1 | |
#endif | |
static const FX_BYTE g_adjust_contrast11[256] = { | |
0, 0, 2, 3, 4, 5, 6, 8, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 24, 25, 26, 28, 29, 31, | |
32, 33, 35, 36, 38, 39, 40, 42, 43, 45, 46, 48, 49, 51, 52, 54, 55, 56, 58, 59, 61, 62, 64, 65, | |
67, 68, 70, 71, 72, 74, 75, 77, 78, 80, 81, 83, 84, 86, 87, 89, 90, 91, 93, 94, 96, 97, 99, 100, | |
101, 103, 104, 106, 107, 109, 110, 111, 113, 114, 116, 117, 118, 120, 121, 123, 124, 125, 127, | |
128, 130, 131, 132, 134, 135, 136, 138, 139, 140, 142, 143, 144, 146, 147, 148, 149, 151, 152, | |
153, 155, 156, 157, 158, 160, 161, 162, 163, 165, 166, 167, 168, 169, 171, 172, 173, 174, 175, | |
177, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, | |
197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, | |
215, 216, 217, 218, 219, 220, 221, 221, 222, 223, 224, 224, 225, 226, 227, 227, 228, 229, 230, | |
230, 231, 232, 232, 233, 234, 234, 235, 236, 236, 237, 237, 238, 239, 239, 240, 240, 241, 241, | |
242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 248, 249, 249, 249, | |
250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 254, 254, | |
254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255, | |
}; | |
static const FX_BYTE g_adjust_contrast15[256] = { | |
0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, | |
22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 40, 41, 42, 43, 45, 46, 47, 48, 50, 51, | |
52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 73, 74, 75, 77, 78, 80, 81, 82, 84, 85, 87, | |
88, 90, 91, 93, 94, 95, 97, 98, 100, 101, 103, 104, 106, 107, 109, 110, 111, 113, 114, 116, 117, 119, | |
120, 122, 123, 125, 126, 128, 129, 130, 132, 133, 135, 136, 138, 139, 141, 142, 143, 145, 146, 148, | |
149, 150, 152, 153, 155, 156, 157, 159, 160, 161, 163, 164, 166, 167, 168, 170, 171, 172, 174, 175, | |
176, 177, 179, 180, 181, 183, 184, 185, 186, 188, 189, 190, 191, 192, 194, 195, 196, 197, 198, 199, | |
201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, | |
221, 222, 223, 224, 225, 226, 227, 227, 228, 229, 230, 231, 232, 232, 233, 234, 235, 235, 236, 237, | |
237, 238, 239, 239, 240, 241, 241, 242, 242, 243, 244, 244, 245, 245, 246, 246, 247, 247, 248, 248, | |
248, 249, 249, 250, 250, 250, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 253, 254, 254, | |
254, 254, 254, 254, 254, 254, 254, 254, 254, 255, | |
}; | |
static void _CalcContrastRamp(FX_LPBYTE ramp, int level) | |
{ | |
int contrast_min = 0, contrast_max = 255 - level, i; | |
for (i = 0; i < contrast_min; i ++) { | |
ramp[i] = 0; | |
} | |
for (i = contrast_min; i < contrast_max; i ++) { | |
ramp[i] = 255 * (i - contrast_min) / (contrast_max - contrast_min); | |
} | |
for (i = contrast_max; i < 256; i ++) { | |
ramp[i] = 255; | |
} | |
} | |
void CFX_Font::AdjustMMParams(int glyph_index, int dest_width, int weight) | |
{ | |
FXFT_MM_Var pMasters = NULL; | |
FXFT_Get_MM_Var(m_Face, &pMasters); | |
if (pMasters == NULL) { | |
return; | |
} | |
long coords[2]; | |
if (weight == 0) { | |
coords[0] = FXFT_Get_MM_Axis_Def(FXFT_Get_MM_Axis(pMasters, 0)) / 65536; | |
} else { | |
coords[0] = weight; | |
} | |
if (dest_width == 0) { | |
coords[1] = FXFT_Get_MM_Axis_Def(FXFT_Get_MM_Axis(pMasters, 1)) / 65536; | |
} else { | |
int min_param = FXFT_Get_MM_Axis_Min(FXFT_Get_MM_Axis(pMasters, 1)) / 65536; | |
int max_param = FXFT_Get_MM_Axis_Max(FXFT_Get_MM_Axis(pMasters, 1)) / 65536; | |
coords[1] = min_param; | |
int error = FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords); | |
error = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); | |
int min_width = FXFT_Get_Glyph_HoriAdvance(m_Face) * 1000 / FXFT_Get_Face_UnitsPerEM(m_Face); | |
coords[1] = max_param; | |
error = FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords); | |
error = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); | |
int max_width = FXFT_Get_Glyph_HoriAdvance(m_Face) * 1000 / FXFT_Get_Face_UnitsPerEM(m_Face); | |
if (max_width == min_width) { | |
return; | |
} | |
int param = min_param + (max_param - min_param) * (dest_width - min_width) / (max_width - min_width); | |
coords[1] = param; | |
} | |
FXFT_Free(m_Face, pMasters); | |
FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords); | |
} | |
extern const char g_AngleSkew[30] = { | |
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 FX_BYTE g_WeightPow[100] = { | |
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, | |
42, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 46, 47, 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, | |
}; | |
extern const FX_BYTE g_WeightPow_11[100] = { | |
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, | |
46, 43, 47, 47, 48, 48, 48, 48, 45, 50, 50, 50, 46, 51, 51, 51, 52, 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, | |
}; | |
extern const FX_BYTE g_WeightPow_SHIFTJIS[100] = { | |
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, 53, 53, 53, 53, 54, 54, 54, 54, 54, 55, 55, | |
55, 55, 55, 56, 56, 56, 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(FX_LPBYTE pData, int nWid, int nHei, int src_pitch, FX_LPCBYTE gammaTable) | |
{ | |
int count = nHei * src_pitch; | |
for(int i = 0; i < count; i++) { | |
pData[i] = gammaTable[pData[i]]; | |
} | |
} | |
static void _ContrastAdjust(FX_LPBYTE pDataIn, FX_LPBYTE 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 ++) { | |
FX_LPBYTE 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_memcpy32(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes, rowbytes); | |
} | |
return; | |
} | |
rate = 255.f / temp; | |
for (row = 0; row < nHei; row ++) { | |
FX_LPBYTE pSrcRow = pDataIn + row * nSrcRowBytes; | |
FX_LPBYTE 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 ++ = (FX_BYTE)temp; | |
} | |
} | |
} | |
CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont, FX_DWORD glyph_index, FX_BOOL bFontStyle, | |
const CFX_AffineMatrix* pMatrix, int dest_width, int anti_alias) | |
{ | |
if (m_Face == NULL) { | |
return NULL; | |
} | |
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_bSubstOfCJK && bFontStyle; | |
int skew = 0; | |
if (bUseCJKSubFont) { | |
skew = pSubstFont->m_bItlicCJK ? -15 : 0; | |
} else { | |
skew = pSubstFont->m_ItalicAngle; | |
} | |
if (skew) { | |
skew = skew <= -30 ? -58 : -g_AngleSkew[-skew]; | |
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); | |
} | |
} | |
int transflag = FXFT_Get_Face_Internal_Flag(m_Face); | |
FXFT_Set_Transform(m_Face, &ft_matrix, 0); | |
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) { | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return NULL; | |
} | |
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) { | |
int index = (weight - 400) / 10; | |
if (index >= 100) { | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return NULL; | |
} | |
int level = 0; | |
if (pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) { | |
level = g_WeightPow_SHIFTJIS[index] * 2 * (FXSYS_abs(ft_matrix.xx) + FXSYS_abs(ft_matrix.xy)) / 36655; | |
} else { | |
level = g_WeightPow_11[index] * (FXSYS_abs(ft_matrix.xx) + FXSYS_abs(ft_matrix.xy)) / 36655; | |
} | |
FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level); | |
} | |
FXFT_Library_SetLcdFilter(CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary, FT_LCD_FILTER_DEFAULT); | |
error = FXFT_Render_Glyph(m_Face, anti_alias); | |
if (error) { | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return NULL; | |
} | |
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) { | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return NULL; | |
} | |
int dib_width = bmwidth; | |
CFX_GlyphBitmap* pGlyphBitmap = FX_NEW CFX_GlyphBitmap; | |
if (!pGlyphBitmap) { | |
return NULL; | |
} | |
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)); | |
FX_BYTE* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer(); | |
FX_BYTE* pSrcBuf = (FX_BYTE*)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++) { | |
FX_BYTE 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_memset32(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_memcpy32(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()); | |
} | |
} | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return pGlyphBitmap; | |
} | |
FX_BOOL _OutputGlyph(void* dib, int x, int y, CFX_Font* pFont, | |
int glyph_index, FX_ARGB argb) | |
{ | |
CFX_DIBitmap* pDib = (CFX_DIBitmap*)dib; | |
FXFT_Face face = pFont->GetFace(); | |
int error = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_BITMAP); | |
if (error) { | |
return FALSE; | |
} | |
error = FXFT_Render_Glyph(face, FXFT_RENDER_MODE_NORMAL); | |
if (error) { | |
return FALSE; | |
} | |
int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(face)); | |
int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(face)); | |
int left = FXFT_Get_Glyph_BitmapLeft(face); | |
int top = FXFT_Get_Glyph_BitmapTop(face); | |
FX_LPCBYTE src_buf = (FX_LPCBYTE)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(face)); | |
int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(face)); | |
CFX_DIBitmap mask; | |
mask.Create(bmwidth, bmheight, FXDIB_8bppMask); | |
FX_LPBYTE dest_buf = mask.GetBuffer(); | |
int dest_pitch = mask.GetPitch(); | |
for (int row = 0; row < bmheight; row ++) { | |
FX_LPCBYTE src_scan = src_buf + row * src_pitch; | |
FX_LPBYTE dest_scan = dest_buf + row * dest_pitch; | |
FXSYS_memcpy32(dest_scan, src_scan, dest_pitch); | |
} | |
pDib->CompositeMask(x + left, y - top, bmwidth, bmheight, &mask, argb, 0, 0); | |
return TRUE; | |
} | |
FX_BOOL OutputText(void* dib, int x, int y, CFX_Font* pFont, double font_size, | |
CFX_AffineMatrix* pText_matrix, unsigned short const* text, unsigned long argb) | |
{ | |
if (!pFont) { | |
return FALSE; | |
} | |
FXFT_Face face = pFont->GetFace(); | |
FXFT_Select_Charmap(pFont->m_Face, FXFT_ENCODING_UNICODE); | |
int transflag = FXFT_Get_Face_Internal_Flag(pFont->m_Face); | |
if (pText_matrix) { | |
FXFT_Matrix ft_matrix; | |
ft_matrix.xx = (signed long)(pText_matrix->a / 64 * 65536); | |
ft_matrix.xy = (signed long)(pText_matrix->c / 64 * 65536); | |
ft_matrix.yx = (signed long)(pText_matrix->b / 64 * 65536); | |
ft_matrix.yy = (signed long)(pText_matrix->d / 64 * 65536); | |
FXFT_Set_Transform(face, &ft_matrix, 0); | |
} | |
FX_FLOAT x_pos = 0; | |
for (; *text != 0; text ++) { | |
FX_WCHAR unicode = *text; | |
int glyph_index = FXFT_Get_Char_Index(pFont->m_Face, unicode); | |
if (glyph_index <= 0) { | |
continue; | |
} | |
int err = FXFT_Load_Glyph(pFont->m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); | |
if (err) { | |
continue; | |
} | |
int w = FXFT_Get_Glyph_HoriAdvance(pFont->m_Face); | |
int em = FXFT_Get_Face_UnitsPerEM(pFont->m_Face); | |
FX_FLOAT x1, y1; | |
pText_matrix->Transform(x_pos, 0, x1, y1); | |
_OutputGlyph(dib, (int)x1 + x, (int) - y1 + y, pFont, | |
glyph_index, argb); | |
x_pos += (FX_FLOAT)w / em; | |
} | |
FXFT_Set_Face_Internal_Flag(pFont->m_Face, transflag); | |
return TRUE; | |
} | |
FX_BOOL OutputGlyph(void* dib, int x, int y, CFX_Font* pFont, double font_size, | |
CFX_AffineMatrix* pMatrix, unsigned long glyph_index, unsigned long argb) | |
{ | |
FXFT_Matrix ft_matrix; | |
if (pMatrix) { | |
ft_matrix.xx = (signed long)(pMatrix->a * font_size / 64 * 65536); | |
ft_matrix.xy = (signed long)(pMatrix->c * font_size / 64 * 65536); | |
ft_matrix.yx = (signed long)(pMatrix->b * font_size / 64 * 65536); | |
ft_matrix.yy = (signed long)(pMatrix->d * font_size / 64 * 65536); | |
} else { | |
ft_matrix.xx = (signed long)(font_size / 64 * 65536); | |
ft_matrix.xy = ft_matrix.yx = 0; | |
ft_matrix.yy = (signed long)(font_size / 64 * 65536); | |
} | |
int transflag = FXFT_Get_Face_Internal_Flag(pFont->m_Face); | |
FXFT_Set_Transform(pFont->m_Face, &ft_matrix, 0); | |
FX_BOOL ret = _OutputGlyph(dib, x, y, pFont, | |
glyph_index, argb); | |
FXFT_Set_Face_Internal_Flag(pFont->m_Face, transflag); | |
return ret; | |
} | |
const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont, FX_DWORD glyph_index, int dest_width) | |
{ | |
if (m_Face == NULL || glyph_index == (FX_DWORD) - 1) { | |
return NULL; | |
} | |
CFX_PathData* pGlyphPath = NULL; | |
FX_LPVOID key; | |
if (pFont->GetSubstFont()) | |
key = (FX_LPVOID)(FX_UINTPTR)(glyph_index + ((pFont->GetSubstFont()->m_Weight / 16) << 15) + | |
((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) + ((dest_width / 16) << 25) + | |
(pFont->IsVertical() << 31)); | |
else { | |
key = (FX_LPVOID)(FX_UINTPTR)glyph_index; | |
} | |
if (m_PathMap.Lookup(key, (FX_LPVOID&)pGlyphPath)) { | |
return pGlyphPath; | |
} | |
pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width); | |
m_PathMap.SetAt(key, pGlyphPath); | |
return pGlyphPath; | |
} | |
typedef struct { | |
FX_BOOL m_bCount; | |
int m_PointCount; | |
FX_PATHPOINT* m_pPoints; | |
int m_CurX; | |
int m_CurY; | |
FX_FLOAT m_CoordUnit; | |
} OUTLINE_PARAMS; | |
void _Outline_CheckEmptyContour(OUTLINE_PARAMS* param) | |
{ | |
if (param->m_PointCount >= 2 && param->m_pPoints[param->m_PointCount - 2].m_Flag == FXPT_MOVETO && | |
param->m_pPoints[param->m_PointCount - 2].m_PointX == param->m_pPoints[param->m_PointCount - 1].m_PointX && | |
param->m_pPoints[param->m_PointCount - 2].m_PointY == param->m_pPoints[param->m_PointCount - 1].m_PointY) { | |
param->m_PointCount -= 2; | |
} | |
if (param->m_PointCount >= 4 && param->m_pPoints[param->m_PointCount - 4].m_Flag == FXPT_MOVETO && | |
param->m_pPoints[param->m_PointCount - 3].m_Flag == FXPT_BEZIERTO && | |
param->m_pPoints[param->m_PointCount - 3].m_PointX == param->m_pPoints[param->m_PointCount - 4].m_PointX && | |
param->m_pPoints[param->m_PointCount - 3].m_PointY == param->m_pPoints[param->m_PointCount - 4].m_PointY && | |
param->m_pPoints[param->m_PointCount - 2].m_PointX == param->m_pPoints[param->m_PointCount - 4].m_PointX && | |
param->m_pPoints[param->m_PointCount - 2].m_PointY == param->m_pPoints[param->m_PointCount - 4].m_PointY && | |
param->m_pPoints[param->m_PointCount - 1].m_PointX == param->m_pPoints[param->m_PointCount - 4].m_PointX && | |
param->m_pPoints[param->m_PointCount - 1].m_PointY == param->m_pPoints[param->m_PointCount - 4].m_PointY) { | |
param->m_PointCount -= 4; | |
} | |
} | |
extern "C" { | |
static int _Outline_MoveTo(const FXFT_Vector* to, void* user) | |
{ | |
OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user; | |
if (!param->m_bCount) { | |
_Outline_CheckEmptyContour(param); | |
param->m_pPoints[param->m_PointCount].m_PointX = to->x / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_PointY = to->y / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_Flag = FXPT_MOVETO; | |
param->m_CurX = to->x; | |
param->m_CurY = to->y; | |
if (param->m_PointCount) { | |
param->m_pPoints[param->m_PointCount - 1].m_Flag |= FXPT_CLOSEFIGURE; | |
} | |
} | |
param->m_PointCount ++; | |
return 0; | |
} | |
}; | |
extern "C" { | |
static int _Outline_LineTo(const FXFT_Vector* to, void* user) | |
{ | |
OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user; | |
if (!param->m_bCount) { | |
param->m_pPoints[param->m_PointCount].m_PointX = to->x / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_PointY = to->y / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_Flag = FXPT_LINETO; | |
param->m_CurX = to->x; | |
param->m_CurY = to->y; | |
} | |
param->m_PointCount ++; | |
return 0; | |
} | |
}; | |
extern "C" { | |
static int _Outline_ConicTo(const FXFT_Vector* control, const FXFT_Vector* to, void* user) | |
{ | |
OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user; | |
if (!param->m_bCount) { | |
param->m_pPoints[param->m_PointCount].m_PointX = (param->m_CurX + (control->x - param->m_CurX) * 2 / 3) / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_PointY = (param->m_CurY + (control->y - param->m_CurY) * 2 / 3) / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_Flag = FXPT_BEZIERTO; | |
param->m_pPoints[param->m_PointCount + 1].m_PointX = (control->x + (to->x - control->x) / 3) / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 1].m_PointY = (control->y + (to->y - control->y) / 3) / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 1].m_Flag = FXPT_BEZIERTO; | |
param->m_pPoints[param->m_PointCount + 2].m_PointX = to->x / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 2].m_PointY = to->y / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 2].m_Flag = FXPT_BEZIERTO; | |
param->m_CurX = to->x; | |
param->m_CurY = to->y; | |
} | |
param->m_PointCount += 3; | |
return 0; | |
} | |
}; | |
extern "C" { | |
static int _Outline_CubicTo(const FXFT_Vector* control1, const FXFT_Vector* control2, const FXFT_Vector* to, void* user) | |
{ | |
OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user; | |
if (!param->m_bCount) { | |
param->m_pPoints[param->m_PointCount].m_PointX = control1->x / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_PointY = control1->y / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount].m_Flag = FXPT_BEZIERTO; | |
param->m_pPoints[param->m_PointCount + 1].m_PointX = control2->x / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 1].m_PointY = control2->y / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 1].m_Flag = FXPT_BEZIERTO; | |
param->m_pPoints[param->m_PointCount + 2].m_PointX = to->x / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 2].m_PointY = to->y / param->m_CoordUnit; | |
param->m_pPoints[param->m_PointCount + 2].m_Flag = FXPT_BEZIERTO; | |
param->m_CurX = to->x; | |
param->m_CurY = to->y; | |
} | |
param->m_PointCount += 3; | |
return 0; | |
} | |
}; | |
CFX_PathData* CFX_Font::LoadGlyphPath(FX_DWORD glyph_index, int dest_width) | |
{ | |
if (m_Face == NULL) { | |
return NULL; | |
} | |
FXFT_Set_Pixel_Sizes(m_Face, 0, 64); | |
FXFT_Matrix ft_matrix = {65536, 0, 0, 65536}; | |
if (m_pSubstFont) { | |
if (m_pSubstFont->m_ItalicAngle) { | |
int skew = m_pSubstFont->m_ItalicAngle; | |
skew = skew <= -30 ? -58 : -g_AngleSkew[-skew]; | |
if (m_bVertical) { | |
ft_matrix.yx += ft_matrix.yy * skew / 100; | |
} else { | |
ft_matrix.xy += -ft_matrix.xx * skew / 100; | |
} | |
} | |
if (m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) { | |
AdjustMMParams(glyph_index, dest_width, m_pSubstFont->m_Weight); | |
} | |
} | |
int transflag = FXFT_Get_Face_Internal_Flag(m_Face); | |
FXFT_Set_Transform(m_Face, &ft_matrix, 0); | |
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) { | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return NULL; | |
} | |
if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) && m_pSubstFont->m_Weight > 400) { | |
int level = 0; | |
if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) { | |
level = g_WeightPow_SHIFTJIS[(m_pSubstFont->m_Weight - 400) / 10] * 2 * 65536 / 36655; | |
} else { | |
level = g_WeightPow[(m_pSubstFont->m_Weight - 400) / 10] * 2; | |
} | |
FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level); | |
} | |
FXFT_Outline_Funcs funcs; | |
funcs.move_to = _Outline_MoveTo; | |
funcs.line_to = _Outline_LineTo; | |
funcs.conic_to = _Outline_ConicTo; | |
funcs.cubic_to = _Outline_CubicTo; | |
funcs.shift = 0; | |
funcs.delta = 0; | |
OUTLINE_PARAMS params; | |
params.m_bCount = TRUE; | |
params.m_PointCount = 0; | |
FXFT_Outline_Decompose(FXFT_Get_Glyph_Outline(m_Face), &funcs, ¶ms); | |
if (params.m_PointCount == 0) { | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return NULL; | |
} | |
CFX_PathData* pPath = FX_NEW CFX_PathData; | |
if (!pPath) { | |
return NULL; | |
} | |
pPath->SetPointCount(params.m_PointCount); | |
params.m_bCount = FALSE; | |
params.m_PointCount = 0; | |
params.m_pPoints = pPath->GetPoints(); | |
params.m_CurX = params.m_CurY = 0; | |
params.m_CoordUnit = 64 * 64.0; | |
FXFT_Outline_Decompose(FXFT_Get_Glyph_Outline(m_Face), &funcs, ¶ms); | |
_Outline_CheckEmptyContour(¶ms); | |
pPath->TrimPoints(params.m_PointCount); | |
if (params.m_PointCount) { | |
pPath->GetPoints()[params.m_PointCount - 1].m_Flag |= FXPT_CLOSEFIGURE; | |
} | |
FXFT_Set_Face_Internal_Flag(m_Face, transflag); | |
return pPath; | |
} | |
void _CFX_UniqueKeyGen::Generate(int count, ...) | |
{ | |
va_list argList; | |
va_start(argList, count); | |
for (int i = 0; i < count; i ++) { | |
int p = va_arg(argList, int); | |
((FX_DWORD*)m_Key)[i] = p; | |
} | |
va_end(argList); | |
m_KeyLen = count * sizeof(FX_DWORD); | |
} |