png_decode_structure.h
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2005
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*******************************************************************************
* Filename:
* ---------
* png_decoder_structure.h
*
* Project:
* --------
* MAUI
*
* Description:
* ------------
* PNG HAL internal structure include header file
*
* Author:
* -------
* -------
*
*==============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
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*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*==============================================================================
*******************************************************************************/
#ifndef __PNG_DECODE_STRUCTURE_H__
#define __PNG_DECODE_STRUCTURE_H__
#include "rs_buffer.h"
#include "fsal.h"
#include "kal_general_types.h"
#include "drv_features_png.h"
#include "png_decode_enum.h"
#include "gfx_cache_switch_behavior_enum.h"
#include "png_decoder.h"
typedef struct color_struct
{
kal_uint8 red;
kal_uint8 green;
kal_uint8 blue;
} png_color;
typedef struct png_color_16_struct
{
kal_uint8 index;
kal_uint16 red;
kal_uint16 green;
kal_uint16 blue;
kal_uint16 gray;
} png_color_16;
/// common structure for SW/HW PNG
typedef struct PNG_DECODER_T
{
#if defined(__DYNAMIC_SWITCH_CACHEABILITY__) && defined(__MTK_TARGET__)
GFX_CACHE_SWITCH_BEHAVIOR_ENUM dstBufferCacheSwitchBehavior;
#endif
/// source buffer interface to GDI (both HW/SW PNG)
/// handling input file buffer address, size
void *fileBufferAddr;
kal_uint32 fileBufferSize;
STFSAL *fileHandle; ///< FSAL handle for file-mode usage
kal_uint32 fileSize;
kal_uint32 IsfileInMemory;
kal_uint32 imageOffsetInFile;
/// source buffer interface to HW PNG driver
kal_int32 isRSBControlInit;
RS_BUFFER g_hwpng_rsb; ///< ring sequential buffer structure
void *g_hwpng_rsb_buf; ///< used to load source
kal_int32 g_hwpng_rsb_buf_size;
STFSAL *g_hwpng_read_fp;
kal_int32 g_hwpng_src_size; ///< the size of un-read part of the png image
kal_uint8 *g_hwpng_read_ptr; ///< memory read pointer of png if png is from memory
/// decoder state, status
PNG_DECODER_TYPE_ENUM decoderType;
PNG_STATUS_ENUM lastStatus; ///< record the last status of PNG decoder
PNG_DECODER_STATE_ENUM decodeState;
void (*pngdec_callback)(PNG_STATUS_ENUM state); ///< call back function of png decoder
/// working buffer
void *internalMem;
void *externalMem;
/// destination buffer info.
void* canvasStartAddr;
kal_int32 canvasWidth;
kal_int32 canvasHeight;
kal_uint32 canvasBufferSize;
PNG_DECODE_COLOR_FORMAT_ENUM canvasColorFormat;
kal_int32 outputWindow_x;
kal_int32 outputWindow_y;
kal_int32 outputWindowWidth;
kal_int32 outputWindowHeight;
kal_int32 clipWindow_ul_x;
kal_int32 clipWindow_ul_y;
kal_int32 clipWindow_dr_x;
kal_int32 clipWindow_dr_y;
/// for color replacement (and source key control)
kal_bool clrRepEnable;
kal_uint8 orgRepColor_R;
kal_uint8 orgRepColor_G;
kal_uint8 orgRepColor_B;
kal_uint8 newRepColor_R;
kal_uint8 newRepColor_G;
kal_uint8 newRepColor_B;
/// alpha blending info.
kal_int32 userSetAlphaValue;
void* blendingBufferStartAddr;
kal_uint32 blendingBufferWidth;
kal_uint32 blendingBufferHeight;
PNG_BLEND_MODE_ENUM blendingMode;
PNG_DECODE_COLOR_FORMAT_ENUM blend_buf_format;
/// time out value
kal_int32 timeoutMsec;
///
kal_bool ditheringEnable;
kal_bool sourceKeyEnable;
kal_uint32 pngImageWidth;
kal_uint32 pngImageHeight;
kal_int32 (*check_abort_func)(void); ///< check abort function, only used for SW decoder.
///< This function will be invoked regularly during the decoding process.
///< If the return value is non-zero, the decoding process will be terminated immediately.
#if defined(USE_SW_PNG_DECODER)
png_config_struct png_dec_image_config;
png_inform_struct png_dec_info;
PNG_STATUS_ENUM png_image_png_status;
#endif
} PNG_DECODER;
typedef PNG_DECODER* PNG_DECODER_HANDLE;
#endif /// __PNG_COMMON_STRUCTURE_H__