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authorDan Sinclair <dsinclair@chromium.org>2017-07-10 15:14:26 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-07-10 19:28:59 +0000
commit92e2276a8be492fd2be8e44a5d62e8a5879644d8 (patch)
tree0945f5edda0fbfb461ca1cae89a20adb583242e4 /core/fxge/fx_ge_text.cpp
parent1437643bfaca635d52f4cb9ec41e3075cf893f79 (diff)
downloadpdfium-92e2276a8be492fd2be8e44a5d62e8a5879644d8.tar.xz
Move core/fxge/ge to core/fxge.
This brings the cpp and h files together and removes the redundant ge/ path. Change-Id: I36594b8ae719d362768ba4c2e4ce173e287363eb Reviewed-on: https://pdfium-review.googlesource.com/7452 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxge/fx_ge_text.cpp')
-rw-r--r--core/fxge/fx_ge_text.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/core/fxge/fx_ge_text.cpp b/core/fxge/fx_ge_text.cpp
new file mode 100644
index 0000000000..0832f7a020
--- /dev/null
+++ b/core/fxge/fx_ge_text.cpp
@@ -0,0 +1,121 @@
+// 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 <algorithm>
+#include <limits>
+#include <vector>
+
+#include "core/fxcodec/fx_codec.h"
+#include "core/fxcrt/fx_safe_types.h"
+#include "core/fxge/cfx_pathdata.h"
+#include "core/fxge/fx_freetype.h"
+#include "core/fxge/fx_text_int.h"
+#include "core/fxge/ifx_renderdevicedriver.h"
+
+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);
+}
+
+} // namespace
+
+FXTEXT_GLYPHPOS::FXTEXT_GLYPHPOS() : m_pGlyph(nullptr) {}
+
+FXTEXT_GLYPHPOS::FXTEXT_GLYPHPOS(const FXTEXT_GLYPHPOS&) = default;
+
+FXTEXT_GLYPHPOS::~FXTEXT_GLYPHPOS(){};
+
+ScopedFontTransform::ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix)
+ : m_Face(face) {
+ FXFT_Set_Transform(m_Face, matrix, 0);
+}
+
+ScopedFontTransform::~ScopedFontTransform() {
+ ResetTransform(m_Face);
+}
+
+FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs,
+ int anti_alias,
+ float retinaScaleX,
+ float retinaScaleY) {
+ FX_RECT rect(0, 0, 0, 0);
+ bool bStarted = false;
+ for (const FXTEXT_GLYPHPOS& glyph : glyphs) {
+ const CFX_GlyphBitmap* pGlyph = glyph.m_pGlyph;
+ if (!pGlyph)
+ continue;
+
+ FX_SAFE_INT32 char_left = glyph.m_Origin.x;
+ char_left += pGlyph->m_Left;
+ if (!char_left.IsValid())
+ continue;
+
+ FX_SAFE_INT32 char_width = pGlyph->m_pBitmap->GetWidth();
+ char_width /= retinaScaleX;
+ if (anti_alias == FXFT_RENDER_MODE_LCD)
+ char_width /= 3;
+ if (!char_width.IsValid())
+ continue;
+
+ FX_SAFE_INT32 char_right = char_left + char_width;
+ if (!char_right.IsValid())
+ continue;
+
+ FX_SAFE_INT32 char_top = glyph.m_Origin.y;
+ char_top -= pGlyph->m_Top;
+ if (!char_top.IsValid())
+ continue;
+
+ FX_SAFE_INT32 char_height = pGlyph->m_pBitmap->GetHeight();
+ char_height /= retinaScaleY;
+ if (!char_height.IsValid())
+ continue;
+
+ FX_SAFE_INT32 char_bottom = char_top + char_height;
+ if (!char_bottom.IsValid())
+ continue;
+
+ if (bStarted) {
+ rect.left = pdfium::base::ValueOrDieForType<int32_t>(
+ pdfium::base::CheckMin(rect.left, char_left));
+ rect.right = pdfium::base::ValueOrDieForType<int32_t>(
+ pdfium::base::CheckMax(rect.right, char_right));
+ rect.top = pdfium::base::ValueOrDieForType<int32_t>(
+ pdfium::base::CheckMin(rect.top, char_top));
+ rect.bottom = pdfium::base::ValueOrDieForType<int32_t>(
+ pdfium::base::CheckMax(rect.bottom, char_bottom));
+ continue;
+ }
+
+ rect.left = char_left.ValueOrDie();
+ rect.right = char_right.ValueOrDie();
+ rect.top = char_top.ValueOrDie();
+ rect.bottom = char_bottom.ValueOrDie();
+ bStarted = true;
+ }
+ return rect;
+}
+
+CFX_SizeGlyphCache::CFX_SizeGlyphCache() {}
+
+CFX_SizeGlyphCache::~CFX_SizeGlyphCache() {}
+
+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);
+ ((uint32_t*)m_Key)[i] = p;
+ }
+ va_end(argList);
+ m_KeyLen = count * sizeof(uint32_t);
+}