kolibrios/programs/cmm/lib/obj/libimg.h
Kirill Lipatov (Leency) 6be43d6e52 cmm and icons update
git-svn-id: svn://kolibrios.org@8821 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-06-11 13:21:29 +00:00

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