// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fxcrt/include/fx_system.h"
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#include "core/fxge/include/fx_ge.h"
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#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
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#ifndef _SKIA_SUPPORT_
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#include "core/fxge/agg/fx_agg_driver.h"
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#endif
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#include "core/fxge/apple/apple_int.h"
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#include "core/fxge/dib/dib_int.h"
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#include "core/fxge/ge/fx_text_int.h"
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#include "core/fxge/include/fx_freetype.h"
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#include "core/fxge/include/fx_ge_apple.h"
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#ifndef _SKIA_SUPPORT_
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namespace {
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void DoNothing(void* info, const void* data, size_t size) {}
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FX_BOOL CGDrawGlyphRun(CGContextRef pContext,
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int nChars,
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const FXTEXT_CHARPOS* pCharPos,
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CFX_Font* pFont,
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CFX_FontCache* pCache,
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const CFX_Matrix* pObject2Device,
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FX_FLOAT font_size,
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uint32_t argb) {
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if (nChars == 0)
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return TRUE;
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CFX_Matrix new_matrix;
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FX_BOOL bNegSize = font_size < 0;
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if (bNegSize)
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font_size = -font_size;
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FX_FLOAT ori_x = pCharPos[0].m_OriginX, ori_y = pCharPos[0].m_OriginY;
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new_matrix.Transform(ori_x, ori_y);
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if (pObject2Device)
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new_matrix.Concat(*pObject2Device);
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CQuartz2D& quartz2d =
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static_cast<CApplePlatform*>(CFX_GEModule::Get()->GetPlatformData())
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->m_quartz2d;
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if (!pFont->GetPlatformFont()) {
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if (pFont->GetPsName() == "DFHeiStd-W5")
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return FALSE;
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pFont->SetPlatformFont(
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quartz2d.CreateFont(pFont->GetFontData(), pFont->GetSize()));
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if (!pFont->GetPlatformFont())
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return FALSE;
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}
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CFX_FixedBufGrow<uint16_t, 32> glyph_indices(nChars);
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CFX_FixedBufGrow<CGPoint, 32> glyph_positions(nChars);
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for (int i = 0; i < nChars; i++) {
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glyph_indices[i] = pCharPos[i].m_ExtGID;
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if (bNegSize)
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glyph_positions[i].x = -pCharPos[i].m_OriginX;
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else
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glyph_positions[i].x = pCharPos[i].m_OriginX;
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glyph_positions[i].y = pCharPos[i].m_OriginY;
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}
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if (bNegSize) {
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new_matrix.a = -new_matrix.a;
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} else {
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new_matrix.b = -new_matrix.b;
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new_matrix.d = -new_matrix.d;
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}
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quartz2d.setGraphicsTextMatrix(pContext, &new_matrix);
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return quartz2d.drawGraphicsString(pContext, pFont->GetPlatformFont(),
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font_size, glyph_indices, glyph_positions,
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nChars, argb, nullptr);
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}
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} // namespace
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void CFX_AggDeviceDriver::InitPlatform() {
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CQuartz2D& quartz2d =
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static_cast<CApplePlatform*>(CFX_GEModule::Get()->GetPlatformData())
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->m_quartz2d;
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m_pPlatformGraphics = quartz2d.createGraphics(m_pBitmap);
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}
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void CFX_AggDeviceDriver::DestroyPlatform() {
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CQuartz2D& quartz2d =
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static_cast<CApplePlatform*>(CFX_GEModule::Get()->GetPlatformData())
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->m_quartz2d;
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if (m_pPlatformGraphics) {
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quartz2d.destroyGraphics(m_pPlatformGraphics);
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m_pPlatformGraphics = nullptr;
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}
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}
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FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars,
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const FXTEXT_CHARPOS* pCharPos,
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CFX_Font* pFont,
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CFX_FontCache* pCache,
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const CFX_Matrix* pObject2Device,
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FX_FLOAT font_size,
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uint32_t argb) {
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if (!pFont)
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return FALSE;
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FX_BOOL bBold = pFont->IsBold();
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if (!bBold && pFont->GetSubstFont() &&
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pFont->GetSubstFont()->m_Weight >= 500 &&
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pFont->GetSubstFont()->m_Weight <= 600) {
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return FALSE;
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}
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for (int i = 0; i < nChars; i++) {
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if (pCharPos[i].m_bGlyphAdjust)
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return FALSE;
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}
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CGContextRef ctx = CGContextRef(m_pPlatformGraphics);
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if (!ctx)
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return FALSE;
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CGContextSaveGState(ctx);
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CGContextSetTextDrawingMode(ctx, kCGTextFillClip);
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CGRect rect_cg;
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CGImageRef pImageCG = nullptr;
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if (m_pClipRgn) {
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rect_cg =
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CGRectMake(m_pClipRgn->GetBox().left, m_pClipRgn->GetBox().top,
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m_pClipRgn->GetBox().Width(), m_pClipRgn->GetBox().Height());
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const CFX_DIBitmap* pClipMask = m_pClipRgn->GetMask().GetObject();
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if (pClipMask) {
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CGDataProviderRef pClipMaskDataProvider = CGDataProviderCreateWithData(
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nullptr, pClipMask->GetBuffer(),
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pClipMask->GetPitch() * pClipMask->GetHeight(), DoNothing);
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CGFloat decode_f[2] = {255.f, 0.f};
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pImageCG = CGImageMaskCreate(
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pClipMask->GetWidth(), pClipMask->GetHeight(), 8, 8,
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pClipMask->GetPitch(), pClipMaskDataProvider, decode_f, FALSE);
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CGDataProviderRelease(pClipMaskDataProvider);
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}
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} else {
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rect_cg = CGRectMake(0, 0, m_pBitmap->GetWidth(), m_pBitmap->GetHeight());
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}
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rect_cg = CGContextConvertRectToDeviceSpace(ctx, rect_cg);
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if (pImageCG)
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CGContextClipToMask(ctx, rect_cg, pImageCG);
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else
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CGContextClipToRect(ctx, rect_cg);
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FX_BOOL ret = CGDrawGlyphRun(ctx, nChars, pCharPos, pFont, pCache,
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pObject2Device, font_size, argb);
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if (pImageCG)
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CGImageRelease(pImageCG);
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CGContextRestoreGState(ctx);
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return ret;
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}
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#endif // _SKIA_SUPPORT_
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void CFX_FaceCache::InitPlatform() {}
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void CFX_FaceCache::DestroyPlatform() {}
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CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph_Nativetext(
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CFX_Font* pFont,
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uint32_t glyph_index,
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const CFX_Matrix* pMatrix,
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int dest_width,
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int anti_alias) {
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return nullptr;
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}
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void CFX_Font::ReleasePlatformResource() {
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if (m_pPlatformFont) {
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CQuartz2D& quartz2d =
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static_cast<CApplePlatform*>(CFX_GEModule::Get()->GetPlatformData())
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->m_quartz2d;
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quartz2d.DestroyFont(m_pPlatformFont);
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m_pPlatformFont = nullptr;
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}
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}
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#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
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