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  1. //Asper
  2. #ifndef INCLUDE_LIBIMG_H
  3. #define INCLUDE_LIBIMG_H
  4.  
  5. #ifndef INCLUDE_KOLIBRI_H
  6. #include "../lib/kolibri.h"
  7. #endif
  8.  
  9. #ifndef INCLUDE_MEM_H
  10. #include "../lib/mem.h"
  11. #endif
  12.  
  13. #ifndef INCLUDE_DLL_H
  14. #include "../lib/dll.h"
  15. #endif
  16.  
  17. //library
  18. dword libimg = #alibimg;
  19. char alibimg[] = "/sys/lib/libimg.obj";
  20.        
  21. dword libimg_init   = #alibimg_init;
  22. dword img_decode    = #aimg_decode;
  23. dword img_destroy   = #aimg_destroy;
  24. dword img_draw      = #aimg_draw;
  25. dword img_create    = #aimg_create;
  26. dword img_encode    = #aimg_encode;
  27. dword img_convert   = #aimg_convert;
  28. dword img_from_file = #aimg_from_file;
  29. dword img_blend     = #aimg_blend;
  30. //dword img_resize    = #aimg_resize;
  31. //dword img_is_img    = #aimg_is_img;
  32. //dword img_to_rgb2   = #aimg_to_rgb2;
  33. //dword img_scale     = #aimg_scale;
  34. //dword img_flip      = #aimg_flip;
  35. //dword img_rotate    = #aimg_rotate;
  36.  
  37. $DD 2 dup 0
  38.  
  39. //import
  40. char alibimg_init[]   = "lib_init";
  41. char aimg_decode[]    = "img_decode";
  42. char aimg_destroy[]   = "img_destroy";
  43. char aimg_draw[]      = "img_draw";
  44. char aimg_create[]    = "img_create";
  45. char aimg_encode[]    = "img_encode";
  46. char aimg_convert[]   = "img_convert";
  47. char aimg_from_file[] = "img_from_file";
  48. char aimg_blend[]     = "img_blend";
  49. //char aimg_resize[]    = "img_resize";
  50. //char aimg_is_img[]    = "img_is_img";
  51. //char aimg_to_rgb2[]   = "img_to_rgb2";
  52. //char aimg_scale[]     = "img_scale";
  53. //char aimg_flip[]      = "img_flip";
  54. //char aimg_rotate[]    = "img_rotate";
  55.  
  56. #define LIBIMG_FORMAT_BMP       1
  57. #define LIBIMG_FORMAT_ICO       2
  58. #define LIBIMG_FORMAT_CUR       3
  59. #define LIBIMG_FORMAT_GIF       4
  60. #define LIBIMG_FORMAT_PNG       5
  61. #define LIBIMG_FORMAT_JPEG      6
  62. #define LIBIMG_FORMAT_TGA       7
  63. #define LIBIMG_FORMAT_PCX       8
  64. #define LIBIMG_FORMAT_XCF       9
  65. #define LIBIMG_FORMAT_TIFF     10
  66. #define LIBIMG_FORMAT_PNM      11
  67. #define LIBIMG_FORMAT_WBMP     12
  68. #define LIBIMG_FORMAT_XBM      13
  69. #define LIBIMG_FORMAT_Z80      14
  70.  
  71. // values for Image.Type
  72. // must be consecutive to allow fast switch on Image.Type in support functions
  73. #define IMAGE_BPP8i  1  // indexed
  74. #define IMAGE_BPP24  2
  75. #define IMAGE_BPP32  3
  76. #define IMAGE_BPP15  4
  77. #define IMAGE_BPP16  5
  78. #define IMAGE_BPP1   6
  79. #define IMAGE_BPP8g  7  // grayscale
  80. #define IMAGE_BPP2i  8
  81. #define IMAGE_BPP4i  9
  82. #define IMAGE_BPP8a 10  // grayscale with alpha channel; application layer only!!!
  83.                         // kernel doesn't handle this image type,
  84.                         // libimg can only create and destroy such images
  85.  
  86. struct libimg_image
  87. {
  88.     dword checksum; // ((Width ROL 16) OR Height) XOR Data[0]        ; ignored so far
  89.     dword w;
  90.     dword h;
  91.     dword next;
  92.     dword previous;
  93.     dword type;     // one of Image.bppN
  94.     dword imgsrc;
  95.     dword palette;  // used iff Type eq Image.bpp1, Image.bpp2, Image.bpp4 or Image.bpp8i
  96.     dword extended;
  97.     dword flags;    // bitfield
  98.     dword delay;    // used iff Image.IsAnimated is set in Flags
  99.     dword image;
  100.     void load();
  101.     void convert_into();
  102.     void replace_color();
  103.     void set_vars();
  104.     void draw();
  105. };
  106.  
  107. :void libimg_image::set_vars()
  108. {
  109.     $push edi
  110.     EDI = image;
  111.     //checksum = ESDWORD[EDI];
  112.     w = ESDWORD[EDI+4];
  113.     h = ESDWORD[EDI+8];
  114.     //next = ESDWORD[EDI+12];
  115.     //previous = ESDWORD[EDI+16];
  116.     imgsrc = ESDWORD[EDI+24];      
  117.     //palette = ESDWORD[EDI+28];      
  118.     //extended = ESDWORD[EDI+32];    
  119.     //flags = ESDWORD[EDI+36];        
  120.     //delay = ESDWORD[EDI+40];    
  121.     $pop edi
  122. }
  123.  
  124. :void libimg_image::load(dword file_path)
  125. {
  126.     if (image) img_destroy stdcall(image);
  127.     img_from_file stdcall(file_path);
  128.     if (!EAX) {
  129.         notify("'Error: Image not loaded'E");
  130.     } else {
  131.         image = EAX;
  132.         set_vars();
  133.     }
  134. }
  135.  
  136. :void libimg_image::replace_color(dword old_color, new_color)
  137. {
  138.     EDX =  w * h * 4 + imgsrc;
  139.     for (ESI = imgsrc; ESI < EDX; ESI += 4) if (DSDWORD[ESI]==old_color) DSDWORD[ESI] = new_color;
  140. }
  141.  
  142. :void libimg_image::draw(dword _x, _y, _w, _h, _xoff, _yoff)
  143. {
  144.     if (image) img_draw stdcall(image, _x, _y, _w, _h, _xoff, _yoff);
  145. }
  146.  
  147. :void libimg_image::convert_into(dword _to)
  148. {
  149.     img_convert stdcall(image, 0, _to, 0, 0);
  150.     if (!EAX) {
  151.         notify("'LibImg convertation error!'E");
  152.     } else {
  153.         image = EAX;
  154.         set_vars();
  155.     }
  156. }
  157.  
  158. :dword create_image(dword type, dword width, dword height) {
  159.     img_create stdcall(width, height, type);
  160.     return EAX;
  161. }
  162.  
  163. // size - output parameter, error code / the size of encoded data
  164. :dword encode_image(dword image_ptr, dword options, dword specific_options, dword* size) {
  165.     img_encode stdcall(image_ptr, options, specific_options);
  166.     ESDWORD[size] = ECX;
  167.    
  168.     return EAX;
  169. }
  170.  
  171. #ifdef LANG_RUS
  172. #define TEXT_FILE_SAVED_AS "'” ©« á®åà ­¥­ ª ª "
  173. #else
  174. #define TEXT_FILE_SAVED_AS "'File saved as "
  175. #endif
  176. :void save_image(dword _image_pointer, _w, _h, _path)
  177. {
  178.     char save_success_message[4096+200];
  179.     dword encoded_data=0;
  180.     dword encoded_size=0;
  181.     dword image_ptr = 0;
  182.    
  183.     image_ptr = create_image(IMAGE_BPP24, _w, _h);
  184.  
  185.     if (image_ptr == 0) {
  186.         notify("'Error saving file, probably not enought memory!' -E");
  187.     }
  188.     else {
  189.         EDI = image_ptr;
  190.         memmov(EDI.libimg_image.imgsrc, _image_pointer, _w * _h * 3);
  191.  
  192.         encoded_data = encode_image(image_ptr, LIBIMG_FORMAT_PNG, 0, #encoded_size);
  193.  
  194.         img_destroy stdcall(image_ptr);
  195.  
  196.         if(encoded_data == 0) {
  197.             notify("'Error saving file, incorrect data!' -E");
  198.         }
  199.         else {
  200.             if (CreateFile(encoded_size, encoded_data, _path) == 0) {
  201.                 strcpy(#save_success_message, TEXT_FILE_SAVED_AS);
  202.                 strcat(#save_success_message, _path);
  203.                 strcat(#save_success_message, "' -O");
  204.                 notify(#save_success_message);
  205.             }
  206.             else {
  207.                 notify("'Error saving image file!\nNot enough space? Path wrong?\nFile system is not writable?..' -E");
  208.             }
  209.         }
  210.     }
  211. }
  212.  
  213.  
  214.  
  215. /////////////////////////////
  216. /*
  217. //  DRAW ICON PATTERN / TEMP
  218. */
  219. /////////////////////////////
  220.  
  221. :void DrawIcon32(dword x,y, _bg, icon_n) {
  222.     static dword bg;
  223.     static dword pure_img32;
  224.     if (!pure_img32) || (bg!=_bg) {
  225.         bg = _bg;
  226.         if (pure_img32) img_destroy stdcall(pure_img32);
  227.         img_from_file stdcall("/sys/icons32.png");
  228.         pure_img32 = EAX;
  229.         //now fill transparent with another color
  230.         EDX = ESDWORD[EAX+4] * ESDWORD[EAX+8] * 4 + ESDWORD[EAX+24];
  231.         for (ESI = ESDWORD[EAX+24]; ESI < EDX; ESI += 4) {
  232.             if (DSDWORD[ESI]==0x00000000) DSDWORD[ESI] = bg;
  233.         }
  234.     }
  235.     img_draw stdcall(pure_img32, x, y, 32, 32, 0, icon_n*32);
  236. }
  237.  
  238. :void DrawIcon16(dword x,y, _bg, icon_n) {
  239.     static dword bg;
  240.     static dword pure_img16;
  241.     dword bgshadow;
  242.     if (!pure_img16) || (bg!=_bg) {
  243.         bg = _bg;
  244.         bgshadow = MixColors(bg, 0, 220);
  245.         if (pure_img16) img_destroy stdcall(pure_img16);
  246.         img_from_file stdcall("/sys/icons16.png");
  247.         pure_img16 = EAX;
  248.         //now fill transparent with another color
  249.         EDX = ESDWORD[EAX+4] * ESDWORD[EAX+8] * 4 + ESDWORD[EAX+24];
  250.         for (ESI = ESDWORD[EAX+24]; ESI < EDX; ESI += 4) {
  251.             if (DSDWORD[ESI]==0xffFFFfff) DSDWORD[ESI] = bg;
  252.             if (DSDWORD[ESI]==0xffCACBD6) DSDWORD[ESI] = bgshadow;
  253.         }
  254.     }
  255.     img_draw stdcall(pure_img16, x, y, 16, 16, 0, icon_n*16);
  256. }
  257.  
  258. #endif