280 lines
8.1 KiB
C
280 lines
8.1 KiB
C
//Asper
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#ifndef INCLUDE_LIBIMG_H
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#define INCLUDE_LIBIMG_H
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#ifndef INCLUDE_KOLIBRI_H
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#include "../lib/kolibri.h"
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#endif
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#ifndef INCLUDE_MEM_H
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#include "../lib/mem.h"
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#endif
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#ifndef INCLUDE_DLL_H
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#include "../lib/dll.h"
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#endif
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//library
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dword libimg = #alibimg;
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char alibimg[] = "/sys/lib/libimg.obj";
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dword libimg_init = #alibimg_init;
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dword img_decode = #aimg_decode;
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dword img_destroy = #aimg_destroy;
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dword img_draw = #aimg_draw;
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dword img_create = #aimg_create;
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dword img_encode = #aimg_encode;
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dword img_convert = #aimg_convert;
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dword img_from_file = #aimg_from_file;
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dword img_blend = #aimg_blend;
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//dword img_resize = #aimg_resize;
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//dword img_is_img = #aimg_is_img;
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//dword img_to_rgb2 = #aimg_to_rgb2;
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//dword img_scale = #aimg_scale;
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//dword img_flip = #aimg_flip;
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//dword img_rotate = #aimg_rotate;
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$DD 2 dup 0
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//import
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char alibimg_init[] = "lib_init";
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char aimg_decode[] = "img_decode";
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char aimg_destroy[] = "img_destroy";
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char aimg_draw[] = "img_draw";
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char aimg_create[] = "img_create";
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char aimg_encode[] = "img_encode";
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char aimg_convert[] = "img_convert";
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char aimg_from_file[] = "img_from_file";
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char aimg_blend[] = "img_blend";
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//char aimg_resize[] = "img_resize";
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//char aimg_is_img[] = "img_is_img";
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//char aimg_to_rgb2[] = "img_to_rgb2";
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//char aimg_scale[] = "img_scale";
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//char aimg_flip[] = "img_flip";
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//char aimg_rotate[] = "img_rotate";
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#define LIBIMG_FORMAT_BMP 1
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#define LIBIMG_FORMAT_ICO 2
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#define LIBIMG_FORMAT_CUR 3
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#define LIBIMG_FORMAT_GIF 4
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#define LIBIMG_FORMAT_PNG 5
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#define LIBIMG_FORMAT_JPEG 6
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#define LIBIMG_FORMAT_TGA 7
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#define LIBIMG_FORMAT_PCX 8
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#define LIBIMG_FORMAT_XCF 9
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#define LIBIMG_FORMAT_TIFF 10
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#define LIBIMG_FORMAT_PNM 11
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#define LIBIMG_FORMAT_WBMP 12
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#define LIBIMG_FORMAT_XBM 13
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#define LIBIMG_FORMAT_Z80 14
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// values for Image.Type
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// must be consecutive to allow fast switch on Image.Type in support functions
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#define IMAGE_BPP8i 1 // indexed
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#define IMAGE_BPP24 2
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#define IMAGE_BPP32 3
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#define IMAGE_BPP15 4
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#define IMAGE_BPP16 5
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#define IMAGE_BPP1 6
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#define IMAGE_BPP8g 7 // grayscale
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#define IMAGE_BPP2i 8
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#define IMAGE_BPP4i 9
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#define IMAGE_BPP8a 10 // grayscale with alpha channel; application layer only!!!
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// kernel doesn't handle this image type,
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// libimg can only create and destroy such images
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struct libimg_image
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{
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dword checksum; // ((Width ROL 16) OR Height) XOR Data[0] ; ignored so far
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dword w;
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dword h;
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dword next;
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dword previous;
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dword type; // one of Image.bppN
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dword imgsrc;
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dword palette; // used iff Type eq Image.bpp1, Image.bpp2, Image.bpp4 or Image.bpp8i
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dword extended;
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dword flags; // bitfield
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dword delay; // used iff Image.IsAnimated is set in Flags
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dword image;
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void load();
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void convert_into();
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void replace_color();
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void replace_2colors();
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void set_vars();
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void draw();
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};
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:void libimg_image::set_vars()
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{
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$push edi
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EDI = image;
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//checksum = ESDWORD[EDI];
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w = ESDWORD[EDI+4];
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h = ESDWORD[EDI+8];
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//next = ESDWORD[EDI+12];
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//previous = ESDWORD[EDI+16];
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imgsrc = ESDWORD[EDI+24];
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//palette = ESDWORD[EDI+28];
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//extended = ESDWORD[EDI+32];
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//flags = ESDWORD[EDI+36];
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//delay = ESDWORD[EDI+40];
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$pop edi
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}
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:void libimg_image::load(dword file_path)
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{
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if (image) img_destroy stdcall(image);
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img_from_file stdcall(file_path);
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if (!EAX) {
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notify("'Error: Image not loaded'E");
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} else {
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image = EAX;
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set_vars();
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}
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}
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:void libimg_image::replace_color(dword old_color, new_color)
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{
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EDX = w * h * 4 + imgsrc;
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ESI = old_color;
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ECX = new_color;
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FOR (EDI = imgsrc; EDI < EDX; EDI += 4) IF (DSDWORD[EDI]==ESI) DSDWORD[EDI] = ECX;
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}
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:void libimg_image::replace_2colors(dword old_color1, new_color1, old_color2, new_color2)
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{
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EDX = w * h * 4 + imgsrc;
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ESI = old_color1;
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ECX = new_color1;
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EBX = old_color2;
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EAX = new_color2;
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FOR (EDI = imgsrc; EDI < EDX; EDI += 4) {
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IF (DSDWORD[EDI]==ESI) DSDWORD[EDI] = ECX;
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ELSE IF (DSDWORD[EDI]==EBX) DSDWORD[EDI] = EAX;
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}
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}
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:void libimg_image::draw(dword _x, _y, _w, _h, _xoff, _yoff)
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{
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if (image) img_draw stdcall(image, _x, _y, _w, _h, _xoff, _yoff);
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}
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:void libimg_image::convert_into(dword _to)
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{
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img_convert stdcall(image, 0, _to, 0, 0);
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$push eax
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img_destroy stdcall(image);
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$pop eax
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if (!EAX) {
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notify("'LibImg convertation error!'E");
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} else {
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image = EAX;
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set_vars();
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}
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}
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:dword create_image(dword type, dword width, dword height) {
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img_create stdcall(width, height, type);
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return EAX;
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}
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// size - output parameter, error code / the size of encoded data
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:dword encode_image(dword image_ptr, dword options, dword specific_options, dword* size) {
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img_encode stdcall(image_ptr, options, specific_options);
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ESDWORD[size] = ECX;
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return EAX;
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}
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#ifdef LANG_RUS
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#define TEXT_FILE_SAVED_AS "'<27><><EFBFBD><EFBFBD> <20><><EFBFBD>࠭<EFBFBD><E0A0AD> <20><><EFBFBD> "
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#else
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#define TEXT_FILE_SAVED_AS "'File saved as "
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#endif
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:void save_image(dword _image_pointer, _w, _h, _path)
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{
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char save_success_message[4096+200];
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dword encoded_data=0;
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dword encoded_size=0;
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dword image_ptr = 0;
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image_ptr = create_image(IMAGE_BPP24, _w, _h);
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if (image_ptr == 0) {
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notify("'Error saving file, probably not enought memory!' -E");
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}
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else {
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EDI = image_ptr;
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memmov(EDI.libimg_image.imgsrc, _image_pointer, _w * _h * 3);
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encoded_data = encode_image(image_ptr, LIBIMG_FORMAT_PNG, 0, #encoded_size);
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img_destroy stdcall(image_ptr);
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if(encoded_data == 0) {
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notify("'Error saving file, incorrect data!' -E");
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}
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else {
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if (CreateFile(encoded_size, encoded_data, _path) == 0) {
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strcpy(#save_success_message, TEXT_FILE_SAVED_AS);
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strcat(#save_success_message, _path);
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strcat(#save_success_message, "' -O");
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notify(#save_success_message);
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}
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else {
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notify("'Error saving image file!\nNot enough space? Path wrong?\nFile system is not writable?..' -E");
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}
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}
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}
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}
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/////////////////////////////
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/*
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// DRAW ICON PATTERN / TEMP
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*/
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/////////////////////////////
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:void DrawIcon32(dword x,y, _bg, icon_n) {
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static dword bg;
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static dword pure_img32;
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if (!pure_img32) || (bg!=_bg) {
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bg = _bg;
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if (pure_img32) img_destroy stdcall(pure_img32);
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img_from_file stdcall("/sys/icons32.png");
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pure_img32 = EAX;
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//now fill transparent with another color
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EDX = ESDWORD[EAX+4] * ESDWORD[EAX+8] * 4 + ESDWORD[EAX+24];
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for (ESI = ESDWORD[EAX+24]; ESI < EDX; ESI += 4) {
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if (DSDWORD[ESI]==0x00000000) DSDWORD[ESI] = bg;
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}
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}
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img_draw stdcall(pure_img32, x, y, 32, 32, 0, icon_n*32);
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}
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:int DrawIcon16(dword x,y, _bg, icon_n) {
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static dword bg;
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static dword pure_img16;
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dword bgshadow;
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int size;
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if (!pure_img16) || (bg!=_bg) {
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bg = _bg;
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bgshadow = MixColors(bg, 0, 220);
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if (pure_img16) img_destroy stdcall(pure_img16);
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img_from_file stdcall("/sys/icons16.png");
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pure_img16 = EAX;
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//now fill transparent with another color
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EDX = ESDWORD[EAX+4] * ESDWORD[EAX+8] * 4 + ESDWORD[EAX+24];
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for (ESI = ESDWORD[EAX+24]; ESI < EDX; ESI += 4) {
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if (DSDWORD[ESI]==0xffFFFfff) DSDWORD[ESI] = bg;
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if (DSDWORD[ESI]==0xffCACBD6) DSDWORD[ESI] = bgshadow;
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}
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}
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size = ESDWORD[pure_img16+4]; //get image width
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img_draw stdcall(pure_img16, x, y, size, size, 0, icon_n*size);
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return size;
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}
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#endif |