| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef skgpu_Rectanizer_DEFINED |
| #define skgpu_Rectanizer_DEFINED |
| |
| #include "src/core/SkIPoint16.h" |
| |
| namespace skgpu { |
| |
| class Rectanizer { |
| public: |
| Rectanizer(int width, int height) : fWidth(width), fHeight(height) { |
| SkASSERT(width >= 0); |
| SkASSERT(height >= 0); |
| } |
| |
| virtual ~Rectanizer() {} |
| |
| virtual void reset() = 0; |
| |
| int width() const { return fWidth; } |
| int height() const { return fHeight; } |
| |
| // Attempt to add a rect. Return true on success; false on failure. If |
| // successful the position in the atlas is returned in 'loc'. |
| virtual bool addRect(int width, int height, SkIPoint16* loc) = 0; |
| virtual float percentFull() const = 0; |
| |
| bool addPaddedRect(int width, int height, int16_t padding, SkIPoint16* loc) { |
| if (this->addRect(width + 2*padding, height + 2*padding, loc)) { |
| loc->fX += padding; |
| loc->fY += padding; |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Our factory, which returns the subclass du jour |
| */ |
| static Rectanizer* Factory(int width, int height); |
| |
| private: |
| const int fWidth; |
| const int fHeight; |
| }; |
| |
| } // End of namespace skgpu |
| |
| #endif |