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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 replace_2colors();
  104.     void set_vars();
  105.     void draw();
  106. };
  107.  
  108. :void libimg_image::set_vars()
  109. {
  110.     $push edi
  111.     EDI = image;
  112.     //checksum = ESDWORD[EDI];
  113.     w = ESDWORD[EDI+4];
  114.     h = ESDWORD[EDI+8];
  115.     //next = ESDWORD[EDI+12];
  116.     //previous = ESDWORD[EDI+16];
  117.     imgsrc = ESDWORD[EDI+24];      
  118.     //palette = ESDWORD[EDI+28];      
  119.     //extended = ESDWORD[EDI+32];    
  120.     //flags = ESDWORD[EDI+36];        
  121.     //delay = ESDWORD[EDI+40];    
  122.     $pop edi
  123. }
  124.  
  125. :void libimg_image::load(dword file_path)
  126. {
  127.     if (image) img_destroy stdcall(image);
  128.     img_from_file stdcall(file_path);
  129.     if (!EAX) {
  130.         notify("'Error: Image not loaded'E");
  131.     } else {
  132.         image = EAX;
  133.         set_vars();
  134.     }
  135. }
  136.  
  137. :void libimg_image::replace_color(dword old_color, new_color)
  138. {
  139.     EDX =  w * h * 4 + imgsrc;
  140.     ESI = old_color;
  141.     ECX = new_color;
  142.     FOR (EDI = imgsrc; EDI < EDX; EDI += 4) IF (DSDWORD[EDI]==ESI) DSDWORD[EDI] = ECX;
  143. }
  144.  
  145. :void libimg_image::replace_2colors(dword old_color1, new_color1, old_color2, new_color2)
  146. {
  147.     EDX =  w * h * 4 + imgsrc;
  148.     ESI = old_color1;
  149.     ECX = new_color1;
  150.     EBX = old_color2;
  151.     EAX = new_color2;
  152.     FOR (EDI = imgsrc; EDI < EDX; EDI += 4) {
  153.         IF (DSDWORD[EDI]==ESI) DSDWORD[EDI] = ECX;
  154.         ELSE IF (DSDWORD[EDI]==EBX) DSDWORD[EDI] = EAX;
  155.     }
  156. }
  157.  
  158. :void libimg_image::draw(dword _x, _y, _w, _h, _xoff, _yoff)
  159. {
  160.     if (image) img_draw stdcall(image, _x, _y, _w, _h, _xoff, _yoff);
  161. }
  162.  
  163. :void libimg_image::convert_into(dword _to)
  164. {
  165.     img_convert stdcall(image, 0, _to, 0, 0);
  166.     $push eax
  167.     img_destroy stdcall(image);
  168.     $pop eax
  169.     if (!EAX) {
  170.         notify("'LibImg convertation error!'E");
  171.     } else {
  172.         image = EAX;
  173.         set_vars();
  174.     }
  175. }
  176.  
  177. :dword create_image(dword type, dword width, dword height) {
  178.     img_create stdcall(width, height, type);
  179.     return EAX;
  180. }
  181.  
  182. // size - output parameter, error code / the size of encoded data
  183. :dword encode_image(dword image_ptr, dword options, dword specific_options, dword* size) {
  184.     img_encode stdcall(image_ptr, options, specific_options);
  185.     ESDWORD[size] = ECX;
  186.    
  187.     return EAX;
  188. }
  189.  
  190. :dword save_image(dword _image_pointer, _w, _h, _path)
  191. {
  192.     dword encoded_data=0;
  193.     dword encoded_size=0;
  194.     dword image_ptr = 0;
  195.    
  196.     image_ptr = create_image(IMAGE_BPP24, _w, _h);
  197.  
  198.     if (!image_ptr) {
  199.         return "Error creating image!";
  200.     }
  201.     else {
  202.         EDI = image_ptr;
  203.         memmov(EDI.libimg_image.imgsrc, _image_pointer, _w * _h * 3);
  204.  
  205.         encoded_data = encode_image(image_ptr, LIBIMG_FORMAT_PNG, 0, #encoded_size);
  206.  
  207.         img_destroy stdcall(image_ptr);
  208.  
  209.         if(!encoded_data) {
  210.             return "Error encoding image!";
  211.         }
  212.         else {
  213.             if (!CreateFile(encoded_size, encoded_data, _path)) {
  214.                 return 0;
  215.             }
  216.             else {
  217.                 return "'Error saving image file!\nNot enough space? Path wrong?\nFile system is not writable?..' -E";
  218.             }
  219.         }
  220.     }
  221. }
  222.  
  223.  
  224.  
  225. /////////////////////////////
  226. /*
  227. //  DRAW ICON PATTERN / TEMP
  228. */
  229. /////////////////////////////
  230.  
  231. :void DrawIcon32(dword x,y, _bg, icon_n) {
  232.     static dword bg;
  233.     static dword pure_img32;
  234.     if (!pure_img32) || (bg!=_bg) {
  235.         bg = _bg;
  236.         if (pure_img32) img_destroy stdcall(pure_img32);
  237.         img_from_file stdcall("/sys/icons32.png");
  238.         pure_img32 = EAX;
  239.         //now fill transparent with another color
  240.         EDX = ESDWORD[EAX+4] * ESDWORD[EAX+8] * 4 + ESDWORD[EAX+24];
  241.         for (ESI = ESDWORD[EAX+24]; ESI < EDX; ESI += 4) {
  242.             if (DSDWORD[ESI]==0x00000000) DSDWORD[ESI] = bg;
  243.         }
  244.     }
  245.     img_draw stdcall(pure_img32, x, y, 32, 32, 0, icon_n*32);
  246. }
  247.  
  248. :int DrawIcon16(dword x,y, _bg, icon_n) {
  249.     static dword bg;
  250.     static dword pure_img16;
  251.     dword bgshadow;
  252.     int size;
  253.     if (!pure_img16) || (bg!=_bg) {
  254.         bg = _bg;
  255.         bgshadow = MixColors(bg, 0, 220);
  256.         if (pure_img16) img_destroy stdcall(pure_img16);
  257.         img_from_file stdcall("/sys/icons16.png");
  258.         pure_img16 = EAX;
  259.         //now fill transparent with another color
  260.         EDX = ESDWORD[EAX+4] * ESDWORD[EAX+8] * 4 + ESDWORD[EAX+24];
  261.         for (ESI = ESDWORD[EAX+24]; ESI < EDX; ESI += 4) {
  262.             if (DSDWORD[ESI]==0xffFFFfff) DSDWORD[ESI] = bg;
  263.             if (DSDWORD[ESI]==0xffCACBD6) DSDWORD[ESI] = bgshadow;
  264.         }
  265.     }
  266.     size = ESDWORD[pure_img16+4]; //get image width
  267.     img_draw stdcall(pure_img16, x, y, size, size, 0, icon_n*size);
  268.     return size;
  269. }
  270.  
  271. #endif