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Diffstat (limited to 'xfa_test/pdf/draw_utils.h')
-rw-r--r-- | xfa_test/pdf/draw_utils.h | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/xfa_test/pdf/draw_utils.h b/xfa_test/pdf/draw_utils.h deleted file mode 100644 index eedf24f27d..0000000000 --- a/xfa_test/pdf/draw_utils.h +++ /dev/null @@ -1,94 +0,0 @@ -// Copyright (c) 2011 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef PDF_DRAW_UTILS_H_ -#define PDF_DRAW_UTILS_H_ - -#include <vector> - -#include "base/basictypes.h" -#include "ppapi/cpp/image_data.h" -#include "ppapi/cpp/rect.h" - -namespace chrome_pdf { - -const uint8 kOpaqueAlpha = 0xFF; -const uint8 kTransparentAlpha = 0x00; - -void AlphaBlend(const pp::ImageData& src, const pp::Rect& src_rc, - pp::ImageData* dest, const pp::Point& dest_origin, - uint8 alpha_adjustment); - -// Fill rectangle with gradient horizontally or vertically. Start is a color of -// top-left point of the rectangle, end color is a color of -// top-right (horizontal==true) or bottom-left (horizontal==false) point. -void GradientFill(pp::ImageData* image, - const pp::Rect& rc, - uint32 start_color, - uint32 end_color, - bool horizontal); - -// Fill dirty rectangle with gradient, where gradient color set for corners of -// gradient rectangle. Parts of the dirty rect outside of gradient rect will -// be unchanged. -void GradientFill(pp::Instance* instance, - pp::ImageData* image, - const pp::Rect& dirty_rc, - const pp::Rect& gradient_rc, - uint32 start_color, - uint32 end_color, - bool horizontal, - uint8 transparency); - -// Copy one image into another. If stretch is true, the result occupy the entire -// dest_rc. If stretch is false, dest_rc.point will be used as an origin of the -// result image. Copy will ignore all pixels with transparent alpha from the -// source image. -void CopyImage(const pp::ImageData& src, const pp::Rect& src_rc, - pp::ImageData* dest, const pp::Rect& dest_rc, - bool stretch); - -// Fill in rectangle with specified color. -void FillRect(pp::ImageData* image, const pp::Rect& rc, uint32 color); - -// Shadow Matrix contains matrix for shadow rendering. To reduce amount of -// calculations user may choose to cache matrix and reuse it if nothing changed. -class ShadowMatrix { - public: - // Matrix parameters. - // depth - how big matrix should be. Shadow will go smoothly across the - // entire matrix from black to background color. - // If factor == 1, smoothing will be linear from 0 to the end (depth), - // if 0 < factor < 1, smoothing will drop faster near 0. - // if factor > 1, smoothing will drop faster near the end (depth). - ShadowMatrix(uint32 depth, double factor, uint32 background); - - ~ShadowMatrix(); - - uint32 GetValue(int32 x, int32 y) const { return matrix_[y * depth_ + x]; } - - uint32 depth() const { return depth_; } - double factor() const { return factor_; } - uint32 background() const { return background_; } - - private: - uint32 depth_; - double factor_; - uint32 background_; - std::vector<uint32> matrix_; -}; - -// Draw shadow on the image using provided ShadowMatrix. -// shadow_rc - rectangle occupied by shadow -// object_rc - rectangle that drops the shadow -// clip_rc - clipping region -void DrawShadow(pp::ImageData* image, - const pp::Rect& shadow_rc, - const pp::Rect& object_rc, - const pp::Rect& clip_rc, - const ShadowMatrix& matrix); - -} // namespace chrome_pdf - -#endif // PDF_DRAW_UTILS_H_ |