kolibrios/programs/develop/cedit/SRC/Icons.ob07

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(*
Copyright 2021-2023 Anton Krotov
This file is part of CEdit.
CEdit is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CEdit is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CEdit. If not, see <http://www.gnu.org/licenses/>.
*)
MODULE Icons;
IMPORT
Graph, File, SYSTEM, KOSAPI;
CONST
fileName = "/sys/Icons16.png";
libName = "libimg.obj";
SIZE* = 18;
icoNew *= 0;
icoOpen *= 1;
icoSave *= 2;
icoSearch *= 3;
icoUndo *= 4;
icoRedo *= 5;
icoBuild *= 6;
icoRun *= 7;
NumberOfIcons = 8;
PROCEDURE [stdcall, libName, ""] img_decode (data, size, options: INTEGER): INTEGER; END;
PROCEDURE [stdcall, libName, ""] img_convert (src, dst, dst_type, flags, param: INTEGER): INTEGER; END;
PROCEDURE [stdcall, libName, ""] img_destroy (img: INTEGER); END;
PROCEDURE GetImg (ptr, size: INTEGER): INTEGER;
VAR
image_data, dst, x, Type: INTEGER;
BEGIN
image_data := img_decode(ptr, size, 0);
IF image_data # 0 THEN
SYSTEM.GET(image_data + 4, x);
ASSERT(x = SIZE);
SYSTEM.GET(image_data + 20, Type);
IF Type # 3 THEN
dst := img_convert(image_data, 0, 3, 0, 0);
img_destroy(image_data);
image_data := dst
END
END
RETURN image_data
END GetImg;
PROCEDURE load (): INTEGER;
VAR
size, res, ptr: INTEGER;
BEGIN
res := 0;
ptr := File.Load(fileName, size);
IF ptr # 0 THEN
res := GetImg(ptr, size);
ptr := KOSAPI.free(ptr)
END
RETURN res
END load;
PROCEDURE draw* (icons, n, x, y: INTEGER);
BEGIN
KOSAPI.sysfunc7(65, icons + SIZE*SIZE*4*n, SIZE*65536 + SIZE, x*65536 + y, 32, 0, 0)
END draw;
PROCEDURE copy (img: INTEGER; n: INTEGER; dst: INTEGER; m: INTEGER);
VAR
data: INTEGER;
BEGIN
SYSTEM.GET(img + 24, data);
SYSTEM.MOVE(data + SIZE*SIZE*4*n, dst + SIZE*SIZE*4*m, SIZE*SIZE*4)
END copy;
PROCEDURE iconsBackColor (icons: INTEGER; BackColor: INTEGER);
VAR
data, x, y, pix: INTEGER;
b, g, r, gr: BYTE;
BEGIN
data := icons;
FOR y := 0 TO SIZE*NumberOfIcons - 1 DO
FOR x := 0 TO SIZE - 1 DO
SYSTEM.GET32(data, pix);
Graph.getRGB(pix, r, g, b);
gr := (r + g + b) DIV 3;
IF BackColor = -1 THEN
pix := gr + 256*gr + 65536*gr
ELSIF gr = 255 THEN
pix := BackColor
END;
SYSTEM.PUT32(data, pix);
INC(data, 4)
END
END
END iconsBackColor;
PROCEDURE get* (VAR icons, grayIcons: INTEGER; BackColor: INTEGER);
VAR
source: INTEGER;
BEGIN
source := load();
IF source # 0 THEN
icons := KOSAPI.malloc(SIZE*SIZE*4*NumberOfIcons*2);
grayIcons := icons + SIZE*SIZE*4*NumberOfIcons;
copy(source, 2, icons, icoNew);
copy(source, 0, icons, icoOpen);
copy(source, 5, icons, icoSave);
copy(source, 49, icons, icoSearch);
copy(source, 37, icons, icoUndo);
copy(source, 36, icons, icoRedo);
copy(source, 54, icons, icoBuild);
copy(source, 53, icons, icoRun);
img_destroy(source);
source := 0;
SYSTEM.MOVE(icons, grayIcons, SIZE*SIZE*4*NumberOfIcons);
iconsBackColor(grayIcons, -1);
iconsBackColor(grayIcons, BackColor);
iconsBackColor(icons, BackColor)
END
END get;
END Icons.