1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "../../../include/fxcrt/fx_ext.h" 8 #include "../../../include/fxge/fx_ge.h" 9 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ 10 #include "apple_int.h" 11 #include "../../../include/fxge/fx_ge_apple.h" 12 #include "../agg/include/fxfx_agg_clip_liang_barsky.h" 13 #include "../ge/text_int.h" 14 #include "../dib/dib_int.h" 15 #include "../agg/include/fx_agg_driver.h" 16 #include "../../../include/fxge/fx_freetype.h" 17 #if (_FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ && (!defined(_FPDFAPI_MINI_))) 18 void CFX_AggDeviceDriver::InitPlatform() 19 { 20 CQuartz2D & quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d; 21 m_pPlatformGraphics = quartz2d.createGraphics(m_pBitmap); 22 } 23 void CFX_AggDeviceDriver::DestroyPlatform() 24 { 25 CQuartz2D & quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d; 26 if (m_pPlatformGraphics) { 27 quartz2d.destroyGraphics(m_pPlatformGraphics); 28 m_pPlatformGraphics = NULL; 29 } 30 } 31 void CFX_FaceCache::InitPlatform() {} 32 void CFX_FaceCache::DestroyPlatform() {} 33 CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph_Nativetext(CFX_Font * pFont, 34 FX_DWORD glyph_index, 35 const CFX_AffineMatrix * pMatrix, 36 int dest_width, 37 int anti_alias) 38 { 39 return NULL; 40 } 41 static FX_BOOL _CGDrawGlyphRun(CGContextRef pContext, 42 int nChars, 43 const FXTEXT_CHARPOS* pCharPos, 44 CFX_Font* pFont, 45 CFX_FontCache* pCache, 46 const CFX_AffineMatrix* pObject2Device, 47 FX_FLOAT font_size, 48 FX_DWORD argb, 49 int alpha_flag, 50 void* pIccTransform) 51 { 52 if (nChars == 0) { 53 return TRUE; 54 } 55 CFX_AffineMatrix new_matrix; 56 FX_BOOL bNegSize = font_size < 0; 57 if (bNegSize) { 58 font_size = -font_size; 59 } 60 FX_FLOAT ori_x = pCharPos[0].m_OriginX, ori_y = pCharPos[0].m_OriginY; 61 new_matrix.Transform(ori_x, ori_y); 62 if (pObject2Device) { 63 new_matrix.Concat(*pObject2Device); 64 } 65 CQuartz2D& quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d; 66 if (!pFont->m_pPlatformFont) { 67 if (pFont->GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) { 68 return FALSE; 69 } 70 pFont->m_pPlatformFont = quartz2d.CreateFont(pFont->m_pFontData, pFont->m_dwSize); 71 if (NULL == pFont->m_pPlatformFont) { 72 return FALSE; 73 } 74 } 75 CFX_FixedBufGrow<FX_WORD, 32> glyph_indices(nChars); 76 CFX_FixedBufGrow<CGPoint, 32> glyph_positions(nChars); 77 for (int i = 0; i < nChars; i++ ) { 78 glyph_indices[i] = pCharPos[i].m_ExtGID; 79 if (bNegSize) { 80 glyph_positions[i].x = -pCharPos[i].m_OriginX; 81 } else { 82 glyph_positions[i].x = pCharPos[i].m_OriginX; 83 } 84 glyph_positions[i].y = pCharPos[i].m_OriginY; 85 } 86 if (bNegSize) { 87 new_matrix.a = -new_matrix.a; 88 } else { 89 new_matrix.b = -new_matrix.b; 90 new_matrix.d = -new_matrix.d; 91 } 92 quartz2d.setGraphicsTextMatrix(pContext, &new_matrix); 93 return quartz2d.drawGraphicsString(pContext, 94 pFont->m_pPlatformFont, 95 font_size, 96 glyph_indices, 97 glyph_positions, 98 nChars, 99 argb, 100 NULL); 101 } 102 static void _DoNothing(void *info, const void *data, size_t size) {} 103 FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars, 104 const FXTEXT_CHARPOS * pCharPos, 105 CFX_Font * pFont, 106 CFX_FontCache * pCache, 107 const CFX_AffineMatrix * pObject2Device, 108 FX_FLOAT font_size, 109 FX_DWORD argb, 110 int alpha_flag, void* pIccTransform) 111 { 112 if (!pFont) { 113 return FALSE; 114 } 115 FX_BOOL bBold = pFont->IsBold(); 116 if (!bBold && pFont->GetSubstFont() && 117 pFont->GetSubstFont()->m_Weight >= 500 && 118 pFont->GetSubstFont()->m_Weight <= 600) { 119 return FALSE; 120 } 121 for (int i = 0; i < nChars; i ++) { 122 if (pCharPos[i].m_bGlyphAdjust) { 123 return FALSE; 124 } 125 } 126 CGContextRef ctx = CGContextRef(m_pPlatformGraphics); 127 if (NULL == ctx) { 128 return FALSE; 129 } 130 CGContextSaveGState(ctx); 131 CGContextSetTextDrawingMode(ctx, kCGTextFillClip); 132 CGRect rect_cg; 133 CGImageRef pImageCG = NULL; 134 if (m_pClipRgn) { 135 rect_cg = CGRectMake(m_pClipRgn->GetBox().left, m_pClipRgn->GetBox().top, m_pClipRgn->GetBox().Width(), m_pClipRgn->GetBox().Height()); 136 const CFX_DIBitmap* pClipMask = m_pClipRgn->GetMask(); 137 if (pClipMask) { 138 CGDataProviderRef pClipMaskDataProvider = CGDataProviderCreateWithData(NULL, 139 pClipMask->GetBuffer(), 140 pClipMask->GetPitch() * pClipMask->GetHeight(), 141 _DoNothing); 142 CGFloat decode_f[2] = {255.f, 0.f}; 143 pImageCG = CGImageMaskCreate(pClipMask->GetWidth(), pClipMask->GetHeight(), 144 8, 8, pClipMask->GetPitch(), pClipMaskDataProvider, 145 decode_f, FALSE); 146 CGDataProviderRelease(pClipMaskDataProvider); 147 } 148 } else { 149 rect_cg = CGRectMake(0, 0, m_pBitmap->GetWidth(), m_pBitmap->GetHeight()); 150 } 151 rect_cg = CGContextConvertRectToDeviceSpace(ctx, rect_cg); 152 if (pImageCG) { 153 CGContextClipToMask(ctx, rect_cg, pImageCG); 154 } else { 155 CGContextClipToRect(ctx, rect_cg); 156 } 157 FX_BOOL ret = _CGDrawGlyphRun(ctx, nChars, pCharPos, pFont, pCache, pObject2Device, font_size, argb, alpha_flag, pIccTransform); 158 if (pImageCG) { 159 CGImageRelease(pImageCG); 160 } 161 CGContextRestoreGState(ctx); 162 return ret; 163 } 164 void CFX_Font::ReleasePlatformResource() 165 { 166 if (m_pPlatformFont) { 167 CQuartz2D & quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d; 168 quartz2d.DestroyFont(m_pPlatformFont); 169 m_pPlatformFont = NULL; 170 } 171 } 172 #endif 173 #endif 174
