mirror of
https://github.com/yuzu-emu/FasTC
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136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
// Copyright 2016 The University of North Carolina at Chapel Hill
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Please send all BUG REPORTS to <pavel@cs.unc.edu>.
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// <http://gamma.cs.unc.edu/FasTC/>
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#ifndef _IMAGE_LOADER_H_
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#define _IMAGE_LOADER_H_
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#include "FasTC/TexCompTypes.h"
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#include "FasTC/ImageFwd.h"
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#include "FasTC/ImageFileFormat.h"
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class ImageLoader {
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protected:
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const uint8 *const m_RawData;
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const uint32 m_NumRawDataBytes;
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uint8 *m_PixelData;
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uint32 m_Width;
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uint32 m_Height;
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uint32 m_RedChannelPrecision;
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uint8 *m_RedData;
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uint32 m_GreenChannelPrecision;
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uint8 *m_GreenData;
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uint32 m_BlueChannelPrecision;
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uint8 *m_BlueData;
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uint32 m_AlphaChannelPrecision;
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uint8 *m_AlphaData;
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ImageLoader(const uint8 *rawData)
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: m_RawData(rawData)
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, m_NumRawDataBytes(-1)
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, m_PixelData(0)
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, m_Width(0), m_Height(0)
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, m_RedChannelPrecision(0), m_RedData(0)
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, m_GreenChannelPrecision(0), m_GreenData(0)
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, m_BlueChannelPrecision(0), m_BlueData(0)
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, m_AlphaChannelPrecision(0), m_AlphaData(0)
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{ }
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ImageLoader(const uint8 *rawData, const int32 numBytes)
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: m_RawData(rawData)
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, m_NumRawDataBytes(numBytes)
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, m_PixelData(0)
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, m_Width(0), m_Height(0)
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, m_RedChannelPrecision(0), m_RedData(0)
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, m_GreenChannelPrecision(0), m_GreenData(0)
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, m_BlueChannelPrecision(0), m_BlueData(0)
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, m_AlphaChannelPrecision(0), m_AlphaData(0)
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{ }
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uint32 GetChannelForPixel(uint32 x, uint32 y, uint32 ch);
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bool LoadFromPixelBuffer(const uint32 *data, bool flipY = false);
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public:
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virtual ~ImageLoader() {
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if(m_RedData) {
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delete [] m_RedData;
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m_RedData = 0;
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}
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if(m_GreenData) {
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delete [] m_GreenData;
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m_GreenData = 0;
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}
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if(m_BlueData) {
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delete [] m_BlueData;
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m_BlueData = 0;
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}
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if(m_AlphaData) {
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delete [] m_AlphaData;
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m_AlphaData = 0;
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}
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if(m_PixelData) {
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delete [] m_PixelData;
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m_PixelData = 0;
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}
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}
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virtual bool ReadData() = 0;
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uint32 GetRedChannelPrecision() const { return m_RedChannelPrecision; }
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const uint8 * GetRedPixelData() const { return m_RedData; }
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uint32 GetGreenChannelPrecision() const { return m_GreenChannelPrecision; }
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const uint8 * GetGreenPixelData() const { return m_GreenData; }
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uint32 GetBlueChannelPrecision() const { return m_BlueChannelPrecision; }
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const uint8 * GetBluePixelData() const { return m_BlueData; }
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uint32 GetAlphaChannelPrecision() const { return m_AlphaChannelPrecision; }
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const uint8 * GetAlphaPixelData() const { return m_AlphaData; }
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uint32 GetWidth() const { return m_Width; }
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uint32 GetHeight() const { return m_Height; }
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uint32 GetImageDataSz() const { return m_Width * m_Height * 4; }
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virtual FasTC::Image<> *LoadImage();
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const uint8 *GetImageData() const { return m_PixelData; }
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};
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#ifndef PNG_FOUND
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#cmakedefine PNG_FOUND
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#endif // PNG_FOUND
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#ifndef PVRTEXLIB_FOUND
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#cmakedefine PVRTEXLIB_FOUND
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#endif // PVRTEXLIB_FOUND
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#ifndef OPENGL_FOUND
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#cmakedefine OPENGL_FOUND
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#endif // OPENGL_FOUND
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#endif // _IMAGE_LOADER_H_
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