mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-14 02:47:07 +03:00
82d3fec9f1
IconEdit: ability to open image size up to 256*256, add to IMG git-svn-id: svn://kolibrios.org@7254 a494cfbc-eb01-0410-851d-a64ba20cac60
237 lines
6.5 KiB
C
237 lines
6.5 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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#ifndef INCLUDE_LIBIO_H
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#include "../lib/obj/libio.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_is_img = #aimg_is_img;
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dword img_to_rgb2 = #aimg_to_rgb2;
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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_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 libimg , \
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char alibimg_init[] = "lib_init";
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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_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_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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struct _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 Width;
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dword Height;
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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 Data;
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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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};
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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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:dword load_image(dword filename)
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{
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//align 4
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dword img_data=0;
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dword img_data_len=0;
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dword fh=0;
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dword image=0;
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byte tmp_buf[40];
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$and img_data, 0
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//$mov eax, filename
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//$push eax
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//invoke file.open, eax, O_READ
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file_open stdcall (filename, O_READ);
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$or eax, eax
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$jnz loc05
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$stc
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return 0;
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@loc05:
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$mov fh, eax
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//invoke file.size
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file_size stdcall (filename);
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$mov img_data_len, ebx
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//stdcall mem.Alloc, ebx
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mem_Alloc(EBX);
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$test eax, eax
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$jz error_close
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$mov img_data, eax
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//invoke file.read, [fh], eax, [img_data_len]
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file_read stdcall (fh, EAX, img_data_len);
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$cmp eax, -1
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$jz error_close
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$cmp eax, img_data_len
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$jnz error_close
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//invoke file.close, [fh]
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file_close stdcall (fh);
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$inc eax
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$jz error_
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//; img.decode checks for img.is_img
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//; //invoke img.is_img, [img_data], [img_data_len]
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//; $or eax, eax
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//; $jz exit
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//invoke img.decode, [img_data], [img_data_len], 0
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EAX=img_data;
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img_decode stdcall (EAX, img_data_len,0);
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$or eax, eax
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$jz error_
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$cmp image, 0
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$pushf
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$mov image, eax
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//call init_frame
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$popf
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//call update_image_sizes
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mem_Free(img_data);//free_img_data(img_data);
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$clc
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return image;
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@error_free:
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//invoke img.destroy, [image]
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img_destroy stdcall (image);
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$jmp error_
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@error_pop:
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$pop eax
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$jmp error_
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@error_close:
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//invoke file.close, [fh]
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file_close stdcall (fh);
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@error_:
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mem_Free(img_data);
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$stc
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return 0;
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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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:void DrawLibImage(dword image_pointer,x,y,w,h,offx,offy) {
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img_draw stdcall (
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image_pointer,
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x,
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y,
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w,
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h,
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offx,
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offy
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);
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}
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//NOTICE: DO NOT FORGET TO INIT libio AND libimg!!!
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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._Image.Data, _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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sprintf(#save_success_message, "'File saved as %s' -O", _path);
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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!\nProbably not enought space or file system is not writable!\nPlease, check saving path.' -E");
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}
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}
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}
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}
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#ifndef INCLUDE_LIBIMG_LOAD_SKIN_H
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#include "../lib/patterns/libimg_load_skin.h"
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#endif
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#endif |