epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2006 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 4 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | #ifndef SkTransparentShader_DEFINED |
| 11 | #define SkTransparentShader_DEFINED |
| 12 | |
| 13 | #include "SkShader.h" |
| 14 | |
| 15 | class SkTransparentShader : public SkShader { |
| 16 | public: |
| 17 | SkTransparentShader() {} |
reed@google.com | 7716afb | 2011-12-07 15:17:50 +0000 | [diff] [blame] | 18 | |
| 19 | virtual uint32_t getFlags() SK_OVERRIDE; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 20 | virtual bool setContext( const SkBitmap& device, |
| 21 | const SkPaint& paint, |
reed@google.com | 7716afb | 2011-12-07 15:17:50 +0000 | [diff] [blame] | 22 | const SkMatrix& matrix) SK_OVERRIDE; |
| 23 | virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE; |
| 24 | virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 25 | |
| 26 | // overrides for SkFlattenable |
reed@google.com | 7716afb | 2011-12-07 15:17:50 +0000 | [diff] [blame] | 27 | virtual void flatten(SkFlattenableWriteBuffer&) SK_OVERRIDE; |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 28 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTransparentShader) |
reed@google.com | 7716afb | 2011-12-07 15:17:50 +0000 | [diff] [blame] | 29 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 30 | private: |
| 31 | // these are a cache from the call to setContext() |
| 32 | const SkBitmap* fDevice; |
| 33 | uint8_t fAlpha; |
| 34 | |
| 35 | SkTransparentShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {} |
| 36 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | typedef SkShader INHERITED; |
| 38 | }; |
| 39 | |
| 40 | #endif |
| 41 | |