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#ifndef MAME_PNG_H |
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#define MAME_PNG_H |
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#define PNG_Signature "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A" |
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#define MNG_Signature "\x8A\x4D\x4E\x47\x0D\x0A\x1A\x0A" |
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#define PNG_CN_IHDR 0x49484452L /* Chunk names */ |
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#define PNG_CN_PLTE 0x504C5445L |
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#define PNG_CN_IDAT 0x49444154L |
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#define PNG_CN_IEND 0x49454E44L |
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#define PNG_CN_gAMA 0x67414D41L |
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#define PNG_CN_sBIT 0x73424954L |
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#define PNG_CN_cHRM 0x6348524DL |
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#define PNG_CN_tRNS 0x74524E53L |
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#define PNG_CN_bKGD 0x624B4744L |
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#define PNG_CN_hIST 0x68495354L |
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#define PNG_CN_tEXt 0x74455874L |
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#define PNG_CN_zTXt 0x7A545874L |
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#define PNG_CN_pHYs 0x70485973L |
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#define PNG_CN_oFFs 0x6F464673L |
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#define PNG_CN_tIME 0x74494D45L |
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#define PNG_CN_sCAL 0x7343414CL |
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#define PNG_PF_None 0 /* Prediction filters */ |
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#define PNG_PF_Sub 1 |
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#define PNG_PF_Up 2 |
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#define PNG_PF_Average 3 |
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#define PNG_PF_Paeth 4 |
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#define MNG_CN_MHDR 0x4D484452L /* MNG Chunk names */ |
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#define MNG_CN_MEND 0x4D454E44L |
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#define MNG_CN_TERM 0x5445524DL |
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#define MNG_CN_BACK 0x4241434BL |
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/* PNG support */ |
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struct png_info { |
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UINT32 width, height; |
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UINT32 xres, yres; |
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struct rectangle screen; |
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double xscale, yscale; |
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double source_gamma; |
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UINT32 chromaticities[8]; |
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UINT32 resolution_unit, offset_unit, scale_unit; |
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UINT8 bit_depth; |
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UINT32 significant_bits[4]; |
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UINT32 background_color[4]; |
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UINT8 color_type; |
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UINT8 compression_method; |
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UINT8 filter_method; |
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UINT8 interlace_method; |
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UINT32 num_palette; |
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UINT8 *palette; |
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UINT32 num_trans; |
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UINT8 *trans; |
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UINT8 *image; |
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/* The rest is private and should not be used |
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* by the public functions |
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*/ |
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UINT8 bpp; |
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UINT32 rowbytes; |
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UINT8 *zimage; |
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UINT32 zlength; |
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UINT8 *fimage; |
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}; |
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int png_verify_signature (void *fp); |
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int png_inflate_image (struct png_info *p); |
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int png_read_file(void *fp, struct png_info *p); |
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int png_read_info(void *fp, struct png_info *p); |
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int png_expand_buffer_8bit (struct png_info *p); |
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void png_delete_unused_colors (struct png_info *p); |
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int png_add_text (const char *keyword, const char *text); |
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int png_unfilter(struct png_info *p); |
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int png_filter(struct png_info *p); |
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int png_deflate_image(struct png_info *p); |
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int png_write_sig(void *fp); |
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int png_write_datastream(void *fp, struct png_info *p); |
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int png_write_bitmap(void *fp, struct mame_bitmap *bitmap); |
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int mng_capture_start(void *fp, struct mame_bitmap *bitmap); |
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int mng_capture_frame(void *fp, struct mame_bitmap *bitmap); |
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int mng_capture_stop(void *fp); |
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int mng_capture_status(void); |
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#endif |
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