| // 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_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_ |
| 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_ |
| 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_ |
| 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(); |
| } |
| #define CONTRAST_RAMP_STEP 1 |
| 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); |
| } |
| static const size_t ANGLESKEW_ARRAY_SIZE = 30; |
| static const char g_AngleSkew[ANGLESKEW_ARRAY_SIZE] = { |
| 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 FX_BYTE g_WeightPow[WEIGHTPOW_ARRAY_SIZE] = { |
| 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, |
| }; |
| static const FX_BYTE g_WeightPow_11[WEIGHTPOW_ARRAY_SIZE] = { |
| 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, |
| }; |
| static const FX_BYTE g_WeightPow_SHIFTJIS[WEIGHTPOW_ARRAY_SIZE] = { |
| 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 <= -ANGLESKEW_ARRAY_SIZE ? -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); |
| } |
| } |
| 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) { |
| 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 >= WEIGHTPOW_ARRAY_SIZE) { |
| return NULL; |
| } |
| 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()->m_FTLibrary, FT_LCD_FILTER_DEFAULT); |
| error = FXFT_Render_Glyph(m_Face, anti_alias); |
| if (error) { |
| 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) { |
| 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()); |
| } |
| } |
| 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); |
| 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; |
| } |
| 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); |
| } |
| FXFT_Set_Transform(pFont->m_Face, &ft_matrix, 0); |
| FX_BOOL ret = _OutputGlyph(dib, x, y, pFont, |
| glyph_index, argb); |
| 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 <= -ANGLESKEW_ARRAY_SIZE ? -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); |
| } |
| } |
| 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) { |
| return NULL; |
| } |
| if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) && m_pSubstFont->m_Weight > 400) { |
| int index = (m_pSubstFont->m_Weight - 400) / 10; |
| if (index >= WEIGHTPOW_ARRAY_SIZE) |
| index = WEIGHTPOW_ARRAY_SIZE - 1; |
| int level = 0; |
| if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) { |
| level = g_WeightPow_SHIFTJIS[index] * 2 * 65536 / 36655; |
| } else { |
| level = g_WeightPow[index] * 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) { |
| 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; |
| } |
| 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); |
| } |
