/src/ftk_image_decoder.h

http://ftk.googlecode.com/ · C Header · 82 lines · 36 code · 17 blank · 29 comment · 10 complexity · b331911fa633f9425e3b6b1418deeb21 MD5 · raw file 

    

  1. /*
    2. 

  2.  * File: ftk_image_decoder.h    
    3. 

  3.  * Author:  Li XianJing <xianjimli@hotmail.com>
    4. 

  4.  * Brief:   bitmap decoder interface.
    5. 

  5.  *
    6. 

  6.  * Copyright (c) 2009 - 2010  Li XianJing <xianjimli@hotmail.com>
    7. 

  7.  *
    8. 

  8.  * Licensed under the Academic Free License version 2.1
    9. 

  9.  *
    10. 

  10.  * This program is free software; you can redistribute it and/or modify
    11. 

  11.  * it under the terms of the GNU General Public License as published by
    12. 

  12.  * the Free Software Foundation; either version 2 of the License, or
    13. 

  13.  * (at your option) any later version.
    14. 

  14.  *
    15. 

  15.  * This program is distributed in the hope that it will be useful,
    16. 

  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    17. 

  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    18. 

  18.  * GNU General Public License for more details.
    19. 

  19.  *
    20. 

  20.  * You should have received a copy of the GNU General Public License
    21. 

  21.  * along with this program; if not, write to the Free Software
    22. 

  22.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    23. 

  23.  */
    24. 

  24. 

  25. /*
    26. 

  26.  * History:
    27. 

  27.  * ================================================================
    28. 

  28.  * 2009-10-03 Li XianJing <xianjimli@hotmail.com> created
    29. 

  29.  *
    30. 

  30.  */
    31. 

  31. 

  32. #ifndef FTK_IMAGE_DECODER_H
    33. 

  33. #define FTK_IMAGE_DECODER_H
    34. 

  34. 

  35. #include "ftk_bitmap.h"
    36. 

  36. 

  37. FTK_BEGIN_DECLS
    38. 

  38. 

  39. struct _FtkImageDecoder;
    40. 

  40. typedef struct _FtkImageDecoder FtkImageDecoder;
    41. 

  41. 

  42. typedef Ret       (*FtkImageDecoderMatch)(FtkImageDecoder* thiz, const char* filename);
    43. 

  43. typedef FtkBitmap* (*FtkImageDecoderDecode)(FtkImageDecoder* thiz, const char* filename);
    44. 

  44. typedef void      (*FtkImageDecoderDestroy)(FtkImageDecoder* thiz);
    45. 

  45. 

  46. struct _FtkImageDecoder
    47. 

  47. {
    48. 

  48. 	FtkImageDecoderMatch   match;
    49. 

  49. 	FtkImageDecoderDecode  decode;
    50. 

  50. 	FtkImageDecoderDestroy destroy;
    51. 

  51. 

  52. 	char priv[ZERO_LEN_ARRAY];
    53. 

  53. };
    54. 

  54. 

  55. static inline Ret ftk_image_decoder_match(FtkImageDecoder* thiz, const char* filename)
    56. 

  56. {
    57. 

  57. 	return_val_if_fail(thiz != NULL && thiz->match != NULL, RET_FAIL);
    58. 

  58. 

  59. 	return thiz->match(thiz, filename);
    60. 

  60. }
    61. 

  61. 

  62. static inline FtkBitmap* ftk_image_decoder_decode(FtkImageDecoder* thiz, const char* filename)
    63. 

  63. {
    64. 

  64. 	return_val_if_fail(thiz != NULL && thiz->decode != NULL, NULL);
    65. 

  65. 

  66. 	return thiz->decode(thiz, filename);
    67. 

  67. }
    68. 

  68. 

  69. static inline void ftk_image_decoder_destroy(FtkImageDecoder* thiz)
    70. 

  70. {
    71. 

  71. 	if(thiz != NULL && thiz->destroy != NULL)
    72. 

  72. 	{
    73. 

  73. 		thiz->destroy(thiz);
    74. 

  74. 	}
    75. 

  75. 

  76. 	return;
    77. 

  77. }
    78. 

  78. 

  79. FTK_END_DECLS
    80. 

  80. 

  81. #endif/*FTK_IMAGE_DECODER_H*/
    82.