png_info.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) 2007
*
* 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_info.h
*
* Project:
* --------
* Maui
*
* Description:
* ------------
* PNG decoder data type header
*
* 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_INFO_H__
#define __PNG_INFO_H__
/// #include "drv_comm.h"
#include "png_decode_enum.h"
#include "png_decode_structure.h"
#include "kal_general_types.h"
#include "drv_features_png.h"
#ifdef USE_HW_PNG_DECODER
#ifdef WIN32_STANDALONE
#include "kal_non_specific_general_types.h"
#endif // WIN32_STANDALONE
#ifndef PNG_H // png.h is not included
#define PNG_COLOR_TYPE_GRAY 0 // Greyscale
#define PNG_COLOR_TYPE_RGB 2 // Truecolour
#define PNG_COLOR_TYPE_PALETTE 3 // Indexed-colour
#define PNG_COLOR_TYPE_GA 4 // Greyscale with alpha
#define PNG_COLOR_TYPE_RGBA 6 // Truecolour with alpha
#else
#include "png.h"
#endif // PNG_H
/**
* @brief define the color format
*/
/// typedef enum
/// {
/// PNG_RGB565 = 1,
/// PNG_RGB888,
/// PNG_ARGB8888
/// } PNG_COLOR_FORMAT_ENUM;
///
///
/// /**
/// * @brief define the bleding mode
/// */
/// typedef enum
/// {
/// PNG_BLEND_NONE = 0,
/// PNG_BLEND_FILEALPHA, ///< PNG built-in alpha \n
/// ///< dstColor = pngAlpha x pngColor + (1 - pngAlpha) x bldColor \n
/// ///< pngAlpha may comes from several sources:\n
/// ///< i. the alpha component of the pixel if the color type is ARGB \n
/// ///< ii. the alpha component of the pixel if the color type is grayscale with alpha \n
/// ///< iii. the single alpha defined in the transparent chunk if the color type is not palette type \n
/// ///< iv. the per-palette-entry alpha defined in the transparent chunk if the color type is palette type\n
/// PNG_BLEND_BUFFER, ///< blending buffer (always be per-pixel) \n
/// ///< dstColor = dstAlpha x pngColor + (1 - dstAlpha) x bldColor \n
/// ///< This mode works only when the destination buffer is ARGB mode.\n\n
/// PNG_BLEND_USER_ASSIGNED, ///< user-specified single alpha value (always be per-alpha) \n
/// ///< dstColor = userAlpha x pngColor + (1 - userAlpha) x bldColor \n\n
/// PNG_BLEND_BG_COLOR ///< png file alpha blends with a single background color
/// } PNG_BLEND_MODE_ENUM;
/**
* @brief this struct is to maintain image metadata extracted from png header
*/
typedef struct MY_PNG_INFO_T
{
kal_uint32 width; ///< width of image in pixels (from IHDR)
kal_uint32 height; ///< height of image in pixels (from IHDR)
kal_uint32 valid; ///< valid chunk data (see chunk.h)
kal_uint32 num_palette; ///< number of color entries in "palette" (PLTE)
kal_uint32 num_trans; ///< number of transparent palette color (tRNS)
kal_uint8 bit_depth; ///< 1, 2, 4, 8, or 16 bits/channel (from IHDR)
kal_uint8 color_type; ///< png color type (from IHDR)
kal_uint8 compression_method; ///<must be 0 (IHDR)
kal_uint8 filter_method; ///< must be 0 (from IHDR)
kal_uint8 interlace_method; ///< 1: PNG_INTERLACE_NONE, 7: PNG_INTERLACE_ADAM7
kal_uint8 sig[8]; ///< magic bytes read from start of file
// -------------optional fields for ancillary chunks----------------------------
png_color_16 trans; ///< transparent values for non-palette image
png_color_16 background; ///< background color (from bKGD)
} MY_PNG_INFO;
/**
* @brief this struct is to maintain hw decoder information configured by GDI/AP
*/
typedef struct PNG_HW_INFO_T
{
void* colorTableStartAddr;
void* HCLENStartAddr;
void* HLITStartAddr;
void* HDISTStartAddr;
void* lineBuff0StartAddr;
void* lz77StartAddr;
void* trnsTableAddr;
void* canvasStartAddr;
kal_int32 canvas_width;
kal_int32 canvas_height;
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;
png_color orgReplacedColor;
png_color newReplaceColor;
PNG_BLEND_MODE_ENUM blendingMode;
kal_int32 userSetAlphaValue;
void* blendingBufferStartAddr;
PNG_DECODE_COLOR_FORMAT_ENUM blend_buf_format;
kal_int32 timeoutMsec;
kal_bool ifSetWorkingBuffer;
kal_bool ifSetSourceData; ///< if IDAT has reached in parsing process, ifSetSourceData = true \n after decode pause, ifSetSourceDat = false until pngSetSourceData() is invoked
kal_bool ifSetCanvas; ///< ifSetCanvas = true if pngSetCanvas() is invoked
kal_bool ifSetOutputWindow; ///< ifSetOutputWindow = true if pngSetOutputWindow() is invoked
kal_bool ifSetCallback; ///< ifSetCallback = true if pngHookCallback() is invoked
kal_bool ifSetClipWindow; ///< if SetClipWindow = true if pngSetClipWindow() is invoked
kal_bool ifSetColorReplacing; ///< if ifSetColorReplacing = true if pngSetReplaceColor() is invoked
} PNG_HW_INFO;
#endif // #ifdef USE_HW_PNG_DECODER
#endif // __PNG_INFO_H__