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// 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/fxcrt/fx_system.h"
#include "../../../include/fxge/fx_ge.h"
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
#include "../../../include/fxge/fx_freetype.h"
#include "../../../include/fxge/fx_ge_apple.h"
#include "../agg/include/fx_agg_driver.h"
#include "../dib/dib_int.h"
#include "../ge/text_int.h"
#include "apple_int.h"
void CFX_AggDeviceDriver::InitPlatform() {
CQuartz2D& quartz2d =
((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
m_pPlatformGraphics = quartz2d.createGraphics(m_pBitmap);
}
void CFX_AggDeviceDriver::DestroyPlatform() {
CQuartz2D& quartz2d =
((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
if (m_pPlatformGraphics) {
quartz2d.destroyGraphics(m_pPlatformGraphics);
m_pPlatformGraphics = NULL;
}
}
void CFX_FaceCache::InitPlatform() {}
void CFX_FaceCache::DestroyPlatform() {}
CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph_Nativetext(
CFX_Font* pFont,
FX_DWORD glyph_index,
const CFX_AffineMatrix* pMatrix,
int dest_width,
int anti_alias) {
return NULL;
}
static FX_BOOL _CGDrawGlyphRun(CGContextRef pContext,
int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
CFX_FontCache* pCache,
const CFX_AffineMatrix* pObject2Device,
FX_FLOAT font_size,
FX_DWORD argb,
int alpha_flag,
void* pIccTransform) {
if (nChars == 0) {
return TRUE;
}
CFX_AffineMatrix new_matrix;
FX_BOOL bNegSize = font_size < 0;
if (bNegSize) {
font_size = -font_size;
}
FX_FLOAT ori_x = pCharPos[0].m_OriginX, ori_y = pCharPos[0].m_OriginY;
new_matrix.Transform(ori_x, ori_y);
if (pObject2Device) {
new_matrix.Concat(*pObject2Device);
}
CQuartz2D& quartz2d =
((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
if (!pFont->m_pPlatformFont) {
if (pFont->GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) {
return FALSE;
}
pFont->m_pPlatformFont =
quartz2d.CreateFont(pFont->m_pFontData, pFont->m_dwSize);
if (NULL == pFont->m_pPlatformFont) {
return FALSE;
}
}
CFX_FixedBufGrow<FX_WORD, 32> glyph_indices(nChars);
CFX_FixedBufGrow<CGPoint, 32> glyph_positions(nChars);
for (int i = 0; i < nChars; i++) {
glyph_indices[i] = pCharPos[i].m_ExtGID;
if (bNegSize) {
glyph_positions[i].x = -pCharPos[i].m_OriginX;
} else {
glyph_positions[i].x = pCharPos[i].m_OriginX;
}
glyph_positions[i].y = pCharPos[i].m_OriginY;
}
if (bNegSize) {
new_matrix.a = -new_matrix.a;
} else {
new_matrix.b = -new_matrix.b;
new_matrix.d = -new_matrix.d;
}
quartz2d.setGraphicsTextMatrix(pContext, &new_matrix);
return quartz2d.drawGraphicsString(pContext, pFont->m_pPlatformFont,
font_size, glyph_indices, glyph_positions,
nChars, argb, NULL);
}
static void _DoNothing(void* info, const void* data, size_t size) {}
FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(
int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
CFX_FontCache* pCache,
const CFX_AffineMatrix* pObject2Device,
FX_FLOAT font_size,
FX_DWORD argb,
int alpha_flag,
void* pIccTransform) {
if (!pFont) {
return FALSE;
}
FX_BOOL bBold = pFont->IsBold();
if (!bBold && pFont->GetSubstFont() &&
pFont->GetSubstFont()->m_Weight >= 500 &&
pFont->GetSubstFont()->m_Weight <= 600) {
return FALSE;
}
for (int i = 0; i < nChars; i++) {
if (pCharPos[i].m_bGlyphAdjust) {
return FALSE;
}
}
CGContextRef ctx = CGContextRef(m_pPlatformGraphics);
if (NULL == ctx) {
return FALSE;
}
CGContextSaveGState(ctx);
CGContextSetTextDrawingMode(ctx, kCGTextFillClip);
CGRect rect_cg;
CGImageRef pImageCG = NULL;
if (m_pClipRgn) {
rect_cg =
CGRectMake(m_pClipRgn->GetBox().left, m_pClipRgn->GetBox().top,
m_pClipRgn->GetBox().Width(), m_pClipRgn->GetBox().Height());
const CFX_DIBitmap* pClipMask = m_pClipRgn->GetMask();
if (pClipMask) {
CGDataProviderRef pClipMaskDataProvider = CGDataProviderCreateWithData(
NULL, pClipMask->GetBuffer(),
pClipMask->GetPitch() * pClipMask->GetHeight(), _DoNothing);
CGFloat decode_f[2] = {255.f, 0.f};
pImageCG = CGImageMaskCreate(
pClipMask->GetWidth(), pClipMask->GetHeight(), 8, 8,
pClipMask->GetPitch(), pClipMaskDataProvider, decode_f, FALSE);
CGDataProviderRelease(pClipMaskDataProvider);
}
} else {
rect_cg = CGRectMake(0, 0, m_pBitmap->GetWidth(), m_pBitmap->GetHeight());
}
rect_cg = CGContextConvertRectToDeviceSpace(ctx, rect_cg);
if (pImageCG) {
CGContextClipToMask(ctx, rect_cg, pImageCG);
} else {
CGContextClipToRect(ctx, rect_cg);
}
FX_BOOL ret =
_CGDrawGlyphRun(ctx, nChars, pCharPos, pFont, pCache, pObject2Device,
font_size, argb, alpha_flag, pIccTransform);
if (pImageCG) {
CGImageRelease(pImageCG);
}
CGContextRestoreGState(ctx);
return ret;
}
void CFX_Font::ReleasePlatformResource() {
if (m_pPlatformFont) {
CQuartz2D& quartz2d =
((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
quartz2d.DestroyFont(m_pPlatformFont);
m_pPlatformFont = NULL;
}
}
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
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