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Diffstat (limited to 'skia/include/SkGradientShader.h')
| -rw-r--r-- | skia/include/SkGradientShader.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/skia/include/SkGradientShader.h b/skia/include/SkGradientShader.h deleted file mode 100644 index 9a8696c..0000000 --- a/skia/include/SkGradientShader.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (C) 2006 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef SkGradientShader_DEFINED -#define SkGradientShader_DEFINED - -#include "SkShader.h" - -class SkUnitMapper; - -/** \class SkGradientShader - - SkGradientShader hosts factories for creating subclasses of SkShader that - render linear and radial gradients. -*/ -class SkGradientShader { -public: - /** Returns a shader that generates a linear gradient between the two - specified points. - <p /> - CreateLinear returns a shader with a reference count of 1. - The caller should decrement the shader's reference count when done with the shader. - It is an error for count to be < 2. - @param pts The start and end points for the gradient. - @param colors The array[count] of colors, to be distributed between the two points - @param pos May be NULL. array[count] of SkScalars, or NULL, of the relative position of - each corresponding color in the colors array. If this is NULL, - the the colors are distributed evenly between the start and end point. - If this is not null, the values must begin with 0, end with 1.0, and - intermediate values must be strictly increasing. - @param count Must be >=2. The number of colors (and pos if not NULL) entries. - @param mode The tiling mode - @param mapper May be NULL. Callback to modify the spread of the colors. - */ - static SkShader* CreateLinear( const SkPoint pts[2], - const SkColor colors[], const SkScalar pos[], int count, - SkShader::TileMode mode, - SkUnitMapper* mapper = NULL); - - /** Returns a shader that generates a radial gradient given the center and radius. - <p /> - CreateRadial returns a shader with a reference count of 1. - The caller should decrement the shader's reference count when done with the shader. - It is an error for colorCount to be < 2, or for radius to be <= 0. - @param center The center of the circle for this gradient - @param radius Must be positive. The radius of the circle for this gradient - @param colors The array[count] of colors, to be distributed between the center and edge of the circle - @param pos May be NULL. The array[count] of SkScalars, or NULL, of the relative position of - each corresponding color in the colors array. If this is NULL, - the the colors are distributed evenly between the center and edge of the circle. - If this is not null, the values must begin with 0, end with 1.0, and - intermediate values must be strictly increasing. - @param count Must be >= 2. The number of colors (and pos if not NULL) entries - @param mode The tiling mode - @param mapper May be NULL. Callback to modify the spread of the colors. - */ - static SkShader* CreateRadial( const SkPoint& center, SkScalar radius, - const SkColor colors[], const SkScalar pos[], int count, - SkShader::TileMode mode, - SkUnitMapper* mapper = NULL); - - /** Returns a shader that generates a sweep gradient given a center. - <p /> - CreateRadial returns a shader with a reference count of 1. - The caller should decrement the shader's reference count when done with the shader. - It is an error for colorCount to be < 2. - @param cx The X coordinate of the center of the sweep - @param cx The Y coordinate of the center of the sweep - @param colors The array[count] of colors, to be distributed around the center. - @param pos May be NULL. The array[count] of SkScalars, or NULL, of the relative position of - each corresponding color in the colors array. If this is NULL, - the the colors are distributed evenly between the center and edge of the circle. - If this is not null, the values must begin with 0, end with 1.0, and - intermediate values must be strictly increasing. - @param count Must be >= 2. The number of colors (and pos if not NULL) entries - @param mapper May be NULL. Callback to modify the spread of the colors. - */ - static SkShader* CreateSweep(SkScalar cx, SkScalar cy, - const SkColor colors[], const SkScalar pos[], - int count, SkUnitMapper* mapper = NULL); -}; - -#endif - |