From 764ec513eecbebd12781bcc96ce81ed5e736ee92 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 14 Mar 2016 13:35:12 -0400 Subject: Move core/src/ up to core/. This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 . --- core/src/fxge/ge/fx_ge_text.cpp | 1872 --------------------------------------- 1 file changed, 1872 deletions(-) delete mode 100644 core/src/fxge/ge/fx_ge_text.cpp (limited to 'core/src/fxge/ge/fx_ge_text.cpp') diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp deleted file mode 100644 index 8fb03d86eb..0000000000 --- a/core/src/fxge/ge/fx_ge_text.cpp +++ /dev/null @@ -1,1872 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_freetype.h" -#include "core/include/fxge/fx_ge.h" -#include "core/src/fxge/ge/fx_text_int.h" - -#undef FX_GAMMA -#undef FX_GAMMA_INVERSE -#define FX_GAMMA(value) (value) -#define FX_GAMMA_INVERSE(value) (value) - -namespace { - -void ResetTransform(FT_Face face) { - FXFT_Matrix matrix; - matrix.xx = 0x10000L; - matrix.xy = 0; - matrix.yx = 0; - matrix.yy = 0x10000L; - FXFT_Set_Transform(face, &matrix, 0); -} - -// Sets the given transform on the font, and resets it to the identity when it -// goes out of scope. -class ScopedFontTransform { - public: - ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix) : m_Face(face) { - FXFT_Set_Transform(m_Face, matrix, 0); - } - - ~ScopedFontTransform() { ResetTransform(m_Face); } - - private: - FT_Face m_Face; -}; - -} // namespace - -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) { - 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 uint8_t 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[(uint8_t)src_alpha]; -void _Color2Argb(FX_ARGB& argb, - FX_DWORD color, - int alpha_flag, - void* pIccTransform) { - if (!pIccTransform && !FXGETFLAG_COLORTYPE(alpha_flag)) { - argb = color; - return; - } - if (!CFX_GEModule::Get()->GetCodecModule() || - !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { - pIccTransform = NULL; - } - uint8_t 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, (const uint8_t*)&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_Matrix* 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)) { - bool should_call_draw_device_text = true; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if ((text_flags & FXFONT_CIDFONT) || - (pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) != -1) || - (pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) { - should_call_draw_device_text = false; - } -#endif - if (should_call_draw_device_text && - 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)) { - bool should_call_draw_device_text = true; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if ((text_flags & FXFONT_CIDFONT) || - (pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) { - should_call_draw_device_text = false; - } -#endif - if (should_call_draw_device_text && - m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, - pText2Device, font_size, fill_color, - alpha_flag, pIccTransform)) { - return TRUE; - } - } - CFX_Matrix 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() || - (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() && - !(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) { - pCache = CFX_GEModule::Get()->GetFontCache(); - } - CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont); - FX_FONTCACHE_DEFINE(pCache, pFont); - FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars); - int iChar; - deviceCtm = char2device; - CFX_Matrix 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_Matrix 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) { - 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; - uint8_t* 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) { - 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; - uint8_t* 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; - } - uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3; - uint8_t* 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; - uint8_t 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; - } - uint8_t 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 { - uint8_t back_alpha = dest_scan[3]; - if (back_alpha == 0) { - FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); - } else { - uint8_t 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; - uint8_t 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; - } - uint8_t 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 { - uint8_t back_alpha = dest_scan[3]; - if (back_alpha == 0) { - FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b)); - } else { - uint8_t 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; - uint8_t 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; - } - uint8_t 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; - } - uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3; - uint8_t* 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_Matrix* pText2User, - const CFX_Matrix* 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) { - 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_Matrix 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) { - 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() {} - -CFX_FontCache::~CFX_FontCache() { - FreeCache(TRUE); -} - -CFX_FaceCache* CFX_FontCache::GetCachedFace(CFX_Font* pFont) { - FXFT_Face internal_face = pFont->GetFace(); - const bool bExternal = !internal_face; - FXFT_Face face = - bExternal ? (FXFT_Face)pFont->GetSubstFont()->m_ExtHandle : internal_face; - CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap; - auto it = map.find(face); - if (it != map.end()) { - CFX_CountedFaceCache* counted_face_cache = it->second; - counted_face_cache->m_nCount++; - return counted_face_cache->m_Obj; - } - - CFX_FaceCache* face_cache = new CFX_FaceCache(bExternal ? nullptr : face); - CFX_CountedFaceCache* counted_face_cache = new CFX_CountedFaceCache; - counted_face_cache->m_nCount = 2; - counted_face_cache->m_Obj = face_cache; - map[face] = counted_face_cache; - return face_cache; -} - -void CFX_FontCache::ReleaseCachedFace(CFX_Font* pFont) { - FXFT_Face internal_face = pFont->GetFace(); - const bool bExternal = !internal_face; - FXFT_Face face = - bExternal ? (FXFT_Face)pFont->GetSubstFont()->m_ExtHandle : internal_face; - CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap; - - auto it = map.find(face); - if (it == map.end()) - return; - - CFX_CountedFaceCache* counted_face_cache = it->second; - if (counted_face_cache->m_nCount > 1) { - counted_face_cache->m_nCount--; - } -} - -void CFX_FontCache::FreeCache(FX_BOOL bRelease) { - for (auto it = m_FTFaceMap.begin(); it != m_FTFaceMap.end();) { - auto curr_it = it++; - CFX_CountedFaceCache* cache = curr_it->second; - if (bRelease || cache->m_nCount < 2) { - delete cache->m_Obj; - delete cache; - m_FTFaceMap.erase(curr_it); - } - } - - for (auto it = m_ExtFaceMap.begin(); it != m_ExtFaceMap.end();) { - auto curr_it = it++; - CFX_CountedFaceCache* cache = curr_it->second; - if (bRelease || cache->m_nCount < 2) { - delete cache->m_Obj; - delete cache; - m_ExtFaceMap.erase(curr_it); - } - } -} - -CFX_FaceCache::CFX_FaceCache(FXFT_Face face) : m_Face(face) {} - -CFX_FaceCache::~CFX_FaceCache() { - for (const auto& pair : m_SizeMap) { - delete pair.second; - } - m_SizeMap.clear(); - for (const auto& pair : m_PathMap) { - delete pair.second; - } - m_PathMap.clear(); -} -#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ -void CFX_FaceCache::InitPlatform() {} -#endif -CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap( - CFX_Font* pFont, - const CFX_Matrix* pMatrix, - CFX_ByteStringC& FaceGlyphsKey, - FX_DWORD glyph_index, - FX_BOOL bFontStyle, - int dest_width, - int anti_alias) { - CFX_SizeGlyphCache* pSizeCache; - auto it = m_SizeMap.find(FaceGlyphsKey); - if (it == m_SizeMap.end()) { - pSizeCache = new CFX_SizeGlyphCache; - m_SizeMap[FaceGlyphsKey] = pSizeCache; - } else { - pSizeCache = it->second; - } - auto it2 = pSizeCache->m_GlyphMap.find(glyph_index); - if (it2 != pSizeCache->m_GlyphMap.end()) - return it2->second; - - CFX_GlyphBitmap* pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle, - pMatrix, dest_width, anti_alias); - if (!pGlyphBitmap) - return nullptr; - - pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap; - return pGlyphBitmap; -} -const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont, - FX_DWORD glyph_index, - FX_BOOL bFontStyle, - const CFX_Matrix* 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); - } - CFX_GlyphBitmap* pGlyphBitmap; - auto it = m_SizeMap.find(FaceGlyphsKey); - if (it != m_SizeMap.end()) { - CFX_SizeGlyphCache* pSizeCache = it->second; - auto it2 = pSizeCache->m_GlyphMap.find(glyph_index); - if (it2 != pSizeCache->m_GlyphMap.end()) - return it2->second; - - pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, - dest_width, anti_alias); - if (pGlyphBitmap) { - pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap; - return pGlyphBitmap; - } - } else { - pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, - dest_width, anti_alias); - if (pGlyphBitmap) { - CFX_SizeGlyphCache* pSizeCache = new CFX_SizeGlyphCache; - m_SizeMap[FaceGlyphsKey] = pSizeCache; - pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap; - return pGlyphBitmap; - } - } - if (pFont->GetSubstFont()) - keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000), - (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000), - dest_width, anti_alias, pFont->GetSubstFont()->m_Weight, - pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical()); - else - keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000), - (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000), - dest_width, anti_alias); - CFX_ByteStringC FaceGlyphsKey2(keygen.m_Key, keygen.m_KeyLen); - text_flags |= FXTEXT_NO_NATIVETEXT; - return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey2, glyph_index, - bFontStyle, dest_width, anti_alias); -#endif -} -CFX_SizeGlyphCache::~CFX_SizeGlyphCache() { - for (const auto& pair : m_GlyphMap) { - delete pair.second; - } - m_GlyphMap.clear(); -} -#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) { - 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; - (void)FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords); - (void)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; - (void)FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords); - (void)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) { - FXFT_Free(m_Face, pMasters); - 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 uint8_t 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 uint8_t 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 uint8_t 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(uint8_t* pData, - int nWid, - int nHei, - int src_pitch, - const uint8_t* gammaTable) { - int count = nHei * src_pitch; - for (int i = 0; i < count; i++) { - pData[i] = gammaTable[pData[i]]; - } -} -static void _ContrastAdjust(uint8_t* pDataIn, - uint8_t* pDataOut, - int nWid, - int nHei, - int nSrcRowBytes, - int nDstRowBytes) { - int col, row, temp; - int max = 0, min = 255; - FX_FLOAT rate; - for (row = 0; row < nHei; row++) { - uint8_t* pRow = pDataIn + row * nSrcRowBytes; - for (col = 0; col < nWid; col++) { - temp = *pRow++; - if (temp > max) { - max = temp; - } - if (temp < min) { - min = temp; - } - } - } - temp = max - min; - if (0 == temp || 255 == temp) { - int rowbytes = FXSYS_abs(nSrcRowBytes) > nDstRowBytes - ? nDstRowBytes - : FXSYS_abs(nSrcRowBytes); - for (row = 0; row < nHei; row++) { - FXSYS_memcpy(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes, - rowbytes); - } - return; - } - rate = 255.f / temp; - for (row = 0; row < nHei; row++) { - uint8_t* pSrcRow = pDataIn + row * nSrcRowBytes; - uint8_t* pDstRow = pDataOut + row * nDstRowBytes; - for (col = 0; col < nWid; col++) { - temp = (int)((*(pSrcRow++) - min) * rate + 0.5); - if (temp > 255) { - temp = 255; - } else if (temp < 0) { - temp = 0; - } - *pDstRow++ = (uint8_t)temp; - } - } -} -CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont, - FX_DWORD glyph_index, - FX_BOOL bFontStyle, - const CFX_Matrix* pMatrix, - int dest_width, - int anti_alias) { - if (!m_Face) { - 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); - } - } - ScopedFontTransform scoped_transform(m_Face, &ft_matrix); - int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT) - ? FXFT_LOAD_NO_BITMAP - : (FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING); - int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags); - if (error) { - // if an error is returned, try to reload glyphs without hinting. - if (load_flags & FT_LOAD_NO_HINTING || load_flags & FT_LOAD_NO_SCALE) { - return NULL; - } - - load_flags |= FT_LOAD_NO_HINTING; - 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()->GetFTLibrary(), - 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 = new CFX_GlyphBitmap; - pGlyphBitmap->m_Bitmap.Create( - dib_width, bmheight, - anti_alias == FXFT_RENDER_MODE_MONO ? FXDIB_1bppMask : FXDIB_8bppMask); - pGlyphBitmap->m_Left = FXFT_Get_Glyph_BitmapLeft(m_Face); - pGlyphBitmap->m_Top = FXFT_Get_Glyph_BitmapTop(m_Face); - int dest_pitch = pGlyphBitmap->m_Bitmap.GetPitch(); - int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(m_Face)); - uint8_t* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer(); - uint8_t* pSrcBuf = - (uint8_t*)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(m_Face)); - if (anti_alias != FXFT_RENDER_MODE_MONO && - FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) == - FXFT_PIXEL_MODE_MONO) { - int bytes = anti_alias == FXFT_RENDER_MODE_LCD ? 3 : 1; - for (int i = 0; i < bmheight; i++) - for (int n = 0; n < bmwidth; n++) { - uint8_t data = - (pSrcBuf[i * src_pitch + n / 8] & (0x80 >> (n % 8))) ? 255 : 0; - for (int b = 0; b < bytes; b++) { - pDestBuf[i * dest_pitch + n * bytes + b] = data; - } - } - } else { - FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight); - if (anti_alias == FXFT_RENDER_MODE_MONO && - FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) == - FXFT_PIXEL_MODE_MONO) { - int rowbytes = - FXSYS_abs(src_pitch) > dest_pitch ? dest_pitch : FXSYS_abs(src_pitch); - for (int row = 0; row < bmheight; row++) { - FXSYS_memcpy(pDestBuf + row * dest_pitch, pSrcBuf + row * src_pitch, - rowbytes); - } - } else { - _ContrastAdjust(pSrcBuf, pDestBuf, bmwidth, bmheight, src_pitch, - dest_pitch); - _GammaAdjust(pDestBuf, bmwidth, bmheight, dest_pitch, - CFX_GEModule::Get()->GetTextGammaTable()); - } - } - return pGlyphBitmap; -} -const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont, - FX_DWORD glyph_index, - int dest_width) { - if (!m_Face || glyph_index == (FX_DWORD)-1) - return nullptr; - - FX_DWORD key = glyph_index; - if (pFont->GetSubstFont()) { - key += (((pFont->GetSubstFont()->m_Weight / 16) << 15) + - ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) + - ((dest_width / 16) << 25) + (pFont->IsVertical() << 31)); - } - auto it = m_PathMap.find(key); - if (it != m_PathMap.end()) - return it->second; - - CFX_PathData* pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width); - m_PathMap[key] = pGlyphPath; - return pGlyphPath; -} -typedef struct { - FX_BOOL m_bCount; - int m_PointCount; - 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) { - 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); - } - } - ScopedFontTransform scoped_transform(m_Face, &ft_matrix); - int load_flags = FXFT_LOAD_NO_BITMAP; - if (!(m_Face->face_flags & FT_FACE_FLAG_SFNT) || !FT_IS_TRICKY(m_Face)) { - load_flags |= 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 = new CFX_PathData; - 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); -} -- cgit v1.2.3