Subversion Repositories Kolibri OS

/*

 * Icon Editor for KolibriOS

 * Authors: Leency, Nicolas

 * Licence: GPL v2

*/

/*

TODO:

window colors

enhance icon

pipet aside color view

*/

#define MEMSIZE 4096*40

#include "../lib/gui.h"

#include "../lib/random.h"

#include "../lib/mem.h"

#include "../lib/obj/libimg.h"

#include "../lib/patterns/rgb.h"

#include "colors_mas.h"

//===================================================//

//                                                   //

//                       DATA                        //

//                                                   //

//===================================================//

#define T_TITLE "Icon Editor 0.39"

#define TOOLBAR_H    24+8

#define PANEL_LEFT_W 16+5+5+3+3

#define PALLETE_SIZE 116

#define TB_ICON_PADDING 26

#define PAL_ITEMS_X_COUNT 13

#define COLSIZE 18

#define RIGHT_BAR_W PAL_ITEMS_X_COUNT*COLSIZE

block canvas = { NULL, NULL, NULL, NULL };

block wrapper = { PANEL_LEFT_W, TOOLBAR_H, NULL, NULL };

block right_bar = { NULL, TOOLBAR_H, RIGHT_BAR_W+10, NULL };

block b_color_gradient = {NULL, 30+TOOLBAR_H, RIGHT_BAR_W, 30};

block b_last_colors = {NULL, 70+TOOLBAR_H, RIGHT_BAR_W, COLSIZE*2};

block b_default_palette = {NULL, COLSIZE*2+10+70+TOOLBAR_H, RIGHT_BAR_W, COLSIZE*9};

dword color1 = 0x000000;

dword color2 = 0xFFFfff;

dword tool_color;

enum {

	BTN_NEW = 40,

	BTN_OPEN,

	BTN_SAVE,

	BTN_MOVE_LEFT,

	BTN_MOVE_RIGHT,

	BTN_MOVE_UP,

	BTN_MOVE_DOWN,

	BTN_FLIP_HOR,

	BTN_FLIP_VER,

	BTN_ROTATE_LEFT,

	BTN_ROTATE_RIGHT,

	BTN_PENCIL,

	BTN_PICK,

	BTN_FILL,

	BTN_LINE,

	BTN_RECT,

	BTN_ZOOM_IN,

	BTN_ZOOM_OUT,

	BTNS_PALETTE_COLOR_MAS = 100,

	BTNS_LAST_USED_COLORS = 400

};

proc_info Form;

more_less_box zoom = { PANEL_LEFT_W, -100, 11, 1, 40, BTN_ZOOM_IN, BTN_ZOOM_OUT, "Zoom" };

dword default_palette[] = {

0x330000,0x331900,0x333300,0x193300,0x003300,0x003319,0x003333,0x001933,0x000033,0x190033,

0x330033,0x330019,0x000000,0x660000,0x663300,0x666600,0x336600,0x006600,0x006633,0x006666,

0x003366,0x000066,0x330066,0x660066,0x660033,0x202020,0x990000,0x994C00,0x999900,0x4C9900,

0x009900,0x00994C,0x009999,0x004C99,0x000099,0x4C0099,0x990099,0x99004C,0x404040,0xCC0000,

0xCC6600,0xCCCC00,0x66CC00,0x00CC00,0x00CC66,0x00CCCC,0x0066CC,0x0000CC,0x6600CC,0xCC00CC,

0xCC0066,0x606060,0xFF0000,0xFF8000,0xFFFF00,0x80FF00,0x00FF00,0x00FF80,0x00FFFF,0x0080FF,

0x0000FF,0x7F00FF,0xFF00FF,0xFF007F,0x808080,0xFF3333,0xFF9933,0xFFFF33,0x99FF33,0x33FF33,

0x33FF99,0x33FFFF,0x3399FF,0x3333FF,0x9933FF,0xFF33FF,0xFF3399,0xA0A0A0,0xFF6666,0xFFB266,

0xFFFF66,0xB2FF66,0x66FF66,0x66FFB2,0x66FFFF,0x66B2FF,0x6666FF,0xB266FF,0xFF66FF,0xFF66B2,

0xC0C0C0,0xFF9999,0xFFCC99,0xFFFF99,0xCCFF99,0x99FF99,0x99FFCC,0x99FFFF,0x99CCFF,0x9999FF,

0xCC99FF,0xFF99FF,0xFF99CC,0xE0E0E0,0xFFCCCC,0xFFE5CC,0xFFFFCC,0xE5FFCC,0xCCFFCC,0xCCFFE5,

0xCCFFFF,0xCCE5FF,0xCCCCFF,0xE5CCFF,0xFFCCFF,0xFFCCE5,0xFFFFFF

};

dword last_used_colors[13*2] = {

0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,

0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,

0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF,0xFFFFFF

};

_image image;

#include "actions_history.h"

libimg_image open_image;

_ActionsHistory actionsHistory;

enum {

	TOOL_NONE = -1,

	TOOL_PENCIL,

	TOOL_PIPETTE,

	TOOL_FILL,

	TOOL_LINE,

	TOOL_RECT,

};

struct Tool {

	int id;

	void (*activate)();

	void (*deactivate)();

	void (*onMouseEvent)(int x, int y, int lkm, int pkm);

	void (*onCanvasDraw)();

};

Tool tools[5];

int currentTool = -1;

void resetCurrentTool() {

	if ((currentTool != TOOL_NONE) && (tools[currentTool].deactivate != 0)) {

		tools[currentTool].deactivate();

	}

	currentTool = TOOL_NONE;

}

void setCurrentTool(int index) {

	resetCurrentTool();

	currentTool = index;

	if ((index != TOOL_NONE) && (tools[index].activate != 0))

		tools[index].activate();

	DrawLeftPanel();

}

//===================================================//

//                                                   //

//                       CODE                        //

//                                                   //

//===================================================//

void FillTool_onMouseEvent(int mouseX, int mouseY, int lkm, int pkm) {

	if (canvas.hovered()) && (currentTool==TOOL_FILL) && (mouse.up)

	{

		EventFill(mouseY-canvas.y/zoom.value,

				mouseX-canvas.x/zoom.value, tool_color);

		actionsHistory.saveCurrentState();

		DrawCanvas();

	}

}

void PipetteTool_activate() {

	SetEventMask(EVM_REDRAW+EVM_KEY+EVM_BUTTON+EVM_MOUSE);

}

void PipetteTool_onMouseEvent(int mouseX, int mouseY, int lkm, int pkm) {

	tool_color = GetPixelUnderMouse();

	DrawBar(Form.cwidth-30, 5, 20, 20, tool_color);

	if (mouse.down) {

		SetEventMask(EVM_REDRAW+EVM_KEY+EVM_BUTTON+EVM_MOUSE+EVM_MOUSE_FILTER);

		if (mouse.key&MOUSE_LEFT) EventSetActiveColor(1, tool_color);

		if (mouse.key&MOUSE_RIGHT) EventSetActiveColor(2, tool_color);

		setCurrentTool(TOOL_PENCIL);

	}

}

bool PencilTool_Drawing = false;

void PencilTool_onMouseEvent(int mouseX, int mouseY, int lkm, int pkm) {

	if (canvas.hovered())

	{

		if ((PencilTool_Drawing == true) && (!mouse.key)) {

			actionsHistory.saveCurrentState();

			PencilTool_Drawing = false;

		}

		if (mouse.key) {

			image.set_pixel(mouseY-canvas.y/zoom.value,

				mouseX-canvas.x/zoom.value, tool_color);

			PencilTool_Drawing = true;

		}

		DrawCanvas();

	}

}

void PencilTool_reset() {

	PencilTool_Drawing = false;

}

// Line tool

struct SimpleFigureTool_State {

	int startX, startY;

	int lastTempPosX, lastTempPosY;

};

enum {

	TOOL_LINE_STATE,

	TOOL_RECT_STATE

};

dword currentFigToolState = -1;

SimpleFigureTool_State figTool_States[2];

void SimpleFigureTool_Reset() {

	if (currentTool == TOOL_LINE)

		currentFigToolState = TOOL_LINE_STATE;

	else if (currentTool == TOOL_RECT)

		currentFigToolState = TOOL_RECT_STATE;

	figTool_States[currentFigToolState].startX = -1;

	figTool_States[currentFigToolState].startY = -1;

	figTool_States[currentFigToolState].lastTempPosX = -1;

	figTool_States[currentFigToolState].lastTempPosY = -1;

}

int mouseX_last;

int mouseY_last;

bool first_click_in_canvas = false;

void SimpleFigureTool_onMouseEvent(int mouseX, int mouseY, int lkm, int pkm) {

	if (mouse.down) && (canvas.hovered()) first_click_in_canvas = true;

	if (first_click_in_canvas)

	{

		if (mouseX>canvas.x+canvas.w-zoom.value) mouseX = canvas.x+canvas.w-zoom.value;

		if (mouseY>canvas.y+canvas.h-zoom.value) mouseY = canvas.y+canvas.h-zoom.value;

		if (mouseX

		if (mouseY

		if (mouse.key) {

			if ((figTool_States[currentFigToolState].startX < 0) || (figTool_States[currentFigToolState].startY < 0)) {

				figTool_States[currentFigToolState].startX = mouseX;

				figTool_States[currentFigToolState].startY = mouseY;

			}

			else {

				if ((calc(mouseX - canvas.x/zoom.value) != figTool_States[currentFigToolState].lastTempPosX)

					|| (calc(mouseY - canvas.y/zoom.value) != figTool_States[currentFigToolState].lastTempPosY))

				{

					DrawCanvas();

				}

			}

			mouseX_last = mouseX;

			mouseY_last = mouseY;

		}

		if (mouse.up) {

			if ((figTool_States[currentFigToolState].startX >= 0) && (figTool_States[currentFigToolState].startY >= 0)) {

				// Draw line from start position to current position

				if (currentTool == TOOL_LINE) {

					DrawLine(figTool_States[currentFigToolState].startX - canvas.x/zoom.value,

						figTool_States[currentFigToolState].startY - canvas.y/zoom.value,

						mouseX - canvas.x/zoom.value,

						mouseY - canvas.y/zoom.value,

						tool_color,

						1);

				}

				else if (currentTool == TOOL_RECT) {

					DrawRectangleInCanvas(figTool_States[currentFigToolState].startX - canvas.x/zoom.value,

						figTool_States[currentFigToolState].startY - canvas.y/zoom.value,

						mouseX - canvas.x/zoom.value,

						mouseY - canvas.y/zoom.value, tool_color, 1);

				}

				DrawCanvas();

				actionsHistory.saveCurrentState();

				// Reset start position

				figTool_States[currentFigToolState].startX = -1;

				figTool_States[currentFigToolState].startY = -1;

				first_click_in_canvas = false;

			}

		}

	}

}

void SimpleFigureTool_onCanvasDraw() {

	if ((figTool_States[currentFigToolState].startX >= 0) && (figTool_States[currentFigToolState].startY >= 0) && (mouse.key)) {

		if (currentTool == TOOL_LINE) {

			DrawLine(figTool_States[currentFigToolState].startX - canvas.x/zoom.value,

				figTool_States[currentFigToolState].startY - canvas.y/zoom.value,

				mouseX_last - canvas.x/zoom.value,

				mouseY_last - canvas.y/zoom.value,

				tool_color,

				2);

		}

		else if (currentTool == TOOL_RECT) {

			DrawRectangleInCanvas(figTool_States[currentFigToolState].startX - canvas.x/zoom.value,

				figTool_States[currentFigToolState].startY - canvas.y/zoom.value,

				mouseX_last - canvas.x/zoom.value,

				mouseY_last - canvas.y/zoom.value,

				tool_color,

				2);

		}

		figTool_States[currentFigToolState].lastTempPosX = mouseX_last - canvas.x/zoom.value;

		figTool_States[currentFigToolState].lastTempPosY = mouseY_last - canvas.y/zoom.value;

	}

}

void initTools()

{

	tools[0].id = TOOL_PENCIL;

	tools[0].onMouseEvent = #PencilTool_onMouseEvent;

	tools[0].deactivate = #PencilTool_reset;

	tools[1].id = TOOL_PIPETTE;

	tools[1].activate = #PipetteTool_activate;

	tools[1].onMouseEvent = #PipetteTool_onMouseEvent;

	tools[2].id = TOOL_FILL;

	tools[2].onMouseEvent = #FillTool_onMouseEvent;

	tools[3].id = TOOL_LINE;

	tools[3].activate = #SimpleFigureTool_Reset;

	tools[3].deactivate = #SimpleFigureTool_Reset;

	tools[3].onMouseEvent = #SimpleFigureTool_onMouseEvent;

	tools[3].onCanvasDraw = #SimpleFigureTool_onCanvasDraw;

	tools[4].id = TOOL_RECT;

	tools[4].activate = #SimpleFigureTool_Reset;

	tools[4].deactivate = #SimpleFigureTool_Reset;

	tools[4].onMouseEvent = #SimpleFigureTool_onMouseEvent;

	tools[4].onCanvasDraw = #SimpleFigureTool_onCanvasDraw;

}

void main()

{

	word btn;

	load_dll(libio,  #libio_init,  1);

	load_dll(libimg, #libimg_init, 1);

	Libimg_LoadImage(#skin, "/sys/icons16.png");

	//system.color.get();

	//Libimg_ReplaceColor(tools_img.image, tools_img.w, tools_img.h, 0xFFF8C0D0, system.color.work);

	image.create(32, 32);

	if (param[0]) {

		Libimg_LoadImage(#open_image, #param);

		if (open_image.w==32) && (open_image.h==32) {

			image.set_image(open_image.imgsrc);

		}

		else {

			notify("'Error: image format is unacceptable (PNG, 32x32x16b expected)' -E");

		}

	}

	actionsHistory.init();

	initTools();

	setCurrentTool(TOOL_PENCIL);

	SetEventMask(EVM_REDRAW+EVM_KEY+EVM_BUTTON+EVM_MOUSE+EVM_MOUSE_FILTER);

	loop() switch(WaitEvent())

	{

		case evMouse:

			mouse.get();

			if (mouse.lkm) tool_color = color1;

			if (mouse.pkm) tool_color = color2;

			if (mouse.mkm) break;

			if (currentTool != TOOL_NONE)

				tools[currentTool].onMouseEvent(mouse.x, mouse.y, mouse.lkm, mouse.pkm);

			if (mouse.vert) {

				if (mouse.vert==65535) zoom.click(BTN_ZOOM_IN);

				if (mouse.vert==1) zoom.click(BTN_ZOOM_OUT);

				DrawEditArea();

			}

			if (mouse.down) {

				if (b_color_gradient.hovered())

				|| (b_last_colors.hovered())

				|| (b_default_palette.hovered()) {

					if (mouse.key&MOUSE_LEFT) EventSetActiveColor(1, GetPixelUnderMouse());

					if (mouse.key&MOUSE_RIGHT) EventSetActiveColor(2, GetPixelUnderMouse());

				}

			}

			break;

		case evButton:

			btn = GetButtonID();

			switch(btn)

			{

				case BTN_NEW:

					image.create(32, 32);

					DrawCanvas();

					break;

				case BTN_OPEN:

					RunProgram("/sys/lod", sprintf(#param, "*png* %s",#program_path));

					break;

				case BTN_SAVE:

					EventSave();

					break;

				case BTN_MOVE_LEFT:

					image.move(MOVE_LEFT);

					DrawCanvas();

					break;

				case BTN_MOVE_RIGHT:

					image.move(MOVE_RIGHT);

					DrawCanvas();

					break;

				case BTN_MOVE_UP:

					image.move(MOVE_UP);

					DrawCanvas();

					break;

				case BTN_MOVE_DOWN:

					image.move(MOVE_DOWN);

					DrawCanvas();

					break;

				case BTN_FLIP_VER:

					image.move(FLIP_VER);

					DrawCanvas();

					break;

				case BTN_FLIP_HOR:

					image.move(FLIP_HOR);

					DrawCanvas();

					break;

				case BTN_PENCIL:

					setCurrentTool(TOOL_PENCIL);

					break;

				case BTN_PICK:

					setCurrentTool(TOOL_PIPETTE);

					//EventPickActivate();

					break;

				case BTN_FILL:

					setCurrentTool(TOOL_FILL);

					//EventFillActivate();

					break;

				case BTN_LINE:

					setCurrentTool(TOOL_LINE);

					break;

				case BTN_RECT:

					setCurrentTool(TOOL_RECT);

					break;

				case BTN_ZOOM_IN:

					zoom.click(BTN_ZOOM_IN);

					DrawEditArea();

					break;

				case BTN_ZOOM_OUT:

					zoom.click(BTN_ZOOM_OUT);

					DrawEditArea();

					break;

				case CLOSE_BTN:

					ExitProcess();

					break;

			}

			break;

		case evKey:

			GetKeys();

			if (key_scancode == SCAN_CODE_ESC) setCurrentTool(TOOL_PENCIL);

			if (key_scancode == SCAN_CODE_KEY_P) setCurrentTool(TOOL_PENCIL);

			if (key_scancode == SCAN_CODE_KEY_I) setCurrentTool(TOOL_PIPETTE);

			if (key_scancode == SCAN_CODE_KEY_F) setCurrentTool(TOOL_FILL);

			if (key_scancode == SCAN_CODE_KEY_L) setCurrentTool(TOOL_LINE);

			if (key_scancode == SCAN_CODE_KEY_R) setCurrentTool(TOOL_RECT);

			if (key_scancode == SCAN_CODE_KEY_S) actionsHistory.undoLastAction();

			if (key_scancode == SCAN_CODE_KEY_C) actionsHistory.redoLastAction();

			if (key_scancode == SCAN_CODE_MINUS) {zoom.click(BTN_ZOOM_OUT); DrawEditArea();}

			if (key_scancode == SCAN_CODE_PLUS)  {zoom.click(BTN_ZOOM_IN);  DrawEditArea();}

			break;

		case evReDraw:

			draw_window();

			break;

	}

}

void DrawToolbarButton(dword _id, _x, _icon_n)

{

	DrawWideRectangle(_x, 4, 22, 22, 3, 0xFFFfff);

	DefineHiddenButton(_x, 4, 21, 21, _id);

	img_draw stdcall(skin.image, _x+3, 7, 16, 16, 0, _icon_n*16);

}

void DrawLeftPanelButton(dword _id, _y, _icon_n)

{

	int x = 5;

	DrawWideRectangle(x, _y, 22, 22, 3, 0xFFFfff);

	DefineHiddenButton(x, _y, 21, 21, _id);

	img_draw stdcall(skin.image, x+3, _y+3, 16, 16, 0, _icon_n*16);

}

void DrawStatusBar()

{

	zoom.y = wrapper.y + wrapper.h + 6;

	zoom.x = wrapper.x;

	zoom.draw();

	sprintf(#param,"Canvas: %ix%i", image.rows, image.columns);

	WriteText(wrapper.x+wrapper.w-calc(strlen(#param)*8), zoom.y+2, 0x90, system.color.work_text, #param);

}

void draw_window()

{

	incn tx;

	system.color.get();

	DefineAndDrawWindow(115+random(100), 50+random(100), 700, 540, 0x33, system.color.work, T_TITLE, 0);

	GetProcessInfo(#Form, SelfInfo);

	if (Form.status_window>2) return;

	if (Form.width  < 560) { MoveSize(OLD,OLD,560,OLD); return; }

	if (Form.height < 430) { MoveSize(OLD,OLD,OLD,430); return; }

	right_bar.x = Form.cwidth - right_bar.w;

	b_color_gradient.x = b_last_colors.x = b_default_palette.x = right_bar.x;

	tx.n = 10-TB_ICON_PADDING;

	DrawToolbarButton(BTN_NEW,    tx.inc(TB_ICON_PADDING), 2); //not implemented

	DrawToolbarButton(BTN_OPEN,   tx.inc(TB_ICON_PADDING), 0); //not implemented

	DrawToolbarButton(BTN_SAVE,   tx.inc(TB_ICON_PADDING), 5);

	DrawToolbarButton(BTN_MOVE_LEFT,  tx.inc(TB_ICON_PADDING+8), 30);

	DrawToolbarButton(BTN_MOVE_RIGHT, tx.inc(TB_ICON_PADDING),   31);

	DrawToolbarButton(BTN_MOVE_UP,    tx.inc(TB_ICON_PADDING),   32);

	DrawToolbarButton(BTN_MOVE_DOWN,  tx.inc(TB_ICON_PADDING),   33);

	DrawToolbarButton(BTN_FLIP_HOR,   tx.inc(TB_ICON_PADDING+8), 34);

	DrawToolbarButton(BTN_FLIP_VER,   tx.inc(TB_ICON_PADDING),   35);

	// DrawToolbarButton(BTN_ROTATE_LEFT,   tx.inc(TB_ICON_PADDING), 36); //not implemented

	// DrawToolbarButton(BTN_ROTATE_RIGHT,  tx.inc(TB_ICON_PADDING), 37); //not implemented

	DrawLeftPanel();

	DrawEditArea();

	DrawActiveColor(right_bar.y);

	DrawColorPallets();

	DrawStatusBar();

}

void DrawLeftPanel()

{

	incn ty;

	ty.n = TOOLBAR_H-TB_ICON_PADDING;

	DrawLeftPanelButton(BTN_PENCIL, ty.inc(TB_ICON_PADDING), 38);

	DrawLeftPanelButton(BTN_PICK,   ty.inc(TB_ICON_PADDING), 39);

	DrawLeftPanelButton(BTN_FILL,   ty.inc(TB_ICON_PADDING), 40);

	DrawLeftPanelButton(BTN_LINE,   ty.inc(TB_ICON_PADDING), 41);

	DrawLeftPanelButton(BTN_RECT,   ty.inc(TB_ICON_PADDING), 42);

	DrawRectangle3D(5, currentTool*TB_ICON_PADDING+TOOLBAR_H, 16+3+2, 16+3+2, 0x333333, 0x777777);

}

void DrawEditArea()

{

	dword color1=0xC0C0C0;

	int top_side;

	int left_side;

	wrapper.w = Form.cwidth - right_bar.w - 10 - wrapper.x;

	wrapper.h = Form.cheight - TOOLBAR_H - 35;

	//canvas{

	canvas.w = image.columns * zoom.value;

	canvas.h = image.rows * zoom.value;

	if (canvas.w+2 > wrapper.w) || (canvas.h+2 > wrapper.h) {

		zoom.click(BTN_ZOOM_OUT);

		DrawEditArea();

		return;

	}

	canvas.x = -zoom.value*image.columns+wrapper.w/2 + wrapper.x;

	canvas.y = -zoom.value*image.rows+wrapper.h/2 + wrapper.y;

	DrawCanvas();

	//}

	left_side = canvas.x-wrapper.x-1;

	top_side = canvas.y-wrapper.y-1;

	DrawRectangle(wrapper.x-1, wrapper.y-1, wrapper.w, wrapper.h, system.color.work_graph);

	if (left_side>0)

	{

		DrawBar(wrapper.x, wrapper.y, wrapper.w-1, top_side, color1); //top

		DrawBar(wrapper.x, wrapper.y+wrapper.h-top_side-1, wrapper.w-1, top_side, color1); //bottom

	}

	if (top_side>0)

	{

		//left

		DrawBar(wrapper.x, wrapper.y+top_side, left_side,

			wrapper.h-top_side-top_side, color1);

		//right

		DrawBar(wrapper.x+wrapper.w-left_side-1, wrapper.y+top_side, left_side,

			wrapper.h-top_side-top_side, color1);

	}

	DrawRectangle(canvas.x-1, canvas.y-1, canvas.w+1, canvas.h+1, 0x808080);

}

void DrawActiveColor(dword iny)

{

	static dword outy;

	if (iny != NULL) outy = iny;

	DrawBar(right_bar.x, outy, 20, 20, color1);

	sprintf(#param, "%A", color1);

	EDI = system.color.work;

	WriteText(right_bar.x + 30, outy + 3, 0xD0, system.color.work_text, #param+4);

	DrawBar(right_bar.x+110, outy, 20, 20, color2);

	sprintf(#param, "%A", color2);

	EDI = system.color.work;

	WriteText(right_bar.x+110 + 30, outy + 3, 0xD0, system.color.work_text, #param+4);

	DrawCurrentColorGradientByLightness();

}

void DrawCurrentColorGradientByLightness()

{

	int i;

	int w = right_bar.w-10/2;

	for (i=0; i

		DrawBar(b_color_gradient.x+i, b_color_gradient.y,

			1, b_color_gradient.h, MixColors(color1,0xFFFfff,255*i/w));

	for (i=0 ; i<=w; i++)

		DrawBar(b_color_gradient.x+w+w-i, b_color_gradient.y,

			1, b_color_gradient.h, MixColors(color1,0x000000,255*i/w));

}

void DrawColorPallets()

{

	int r, c, i=0;

	//Last used colors

	for (r = 0; r < 2; r++)

	{

		for (c = 0; c < PAL_ITEMS_X_COUNT; c++, i++)

		{

			DrawBar(c*COLSIZE + b_last_colors.x, r*COLSIZE + b_last_colors.y,

				COLSIZE, COLSIZE, last_used_colors[i]);

		}

	}

	i=0;

	//Default colors

	for (r = 0; r < 9; r++)

	{

		for (c = 0; c < PAL_ITEMS_X_COUNT; c++, i++)

		{

			DrawBar(c*COLSIZE + b_default_palette.x, r*COLSIZE + b_default_palette.y,

				COLSIZE, COLSIZE, default_palette[PALLETE_SIZE-i]);

		}

	}

}

void DrawCanvas()

{

	int r, c;

	for (r = 0; r < image.rows; r++)

	{

		for (c = 0; c < image.columns; c++)

		{

			DrawBar(c*zoom.value + canvas.x, r*zoom.value + canvas.y,

				zoom.value, zoom.value, image.get_pixel(r, c));

		}

	}

	if ((currentTool != TOOL_NONE) && (tools[currentTool].onCanvasDraw != 0))

		tools[currentTool].onCanvasDraw();

	DrawPreview();

}

void DrawPreview()

{

	int x = right_bar.x;

	int y = wrapper.y + wrapper.h - image.rows-2;

	DrawRectangle(x, y, image.columns+1, image.rows+1, system.color.work_graph);

	_PutImage(x+1,y+1, image.columns, image.rows, image.get_image());

}

dword GetPixelUnderMouse()

{

	return GetPixelColorFromScreen(mouse.x + Form.left + 5, mouse.y + Form.top + skin_height);

}

//===================================================//

//                                                   //

//                      EVENTS                       //

//                                                   //

//===================================================//

void EventSave()

{

	dword encoded_data=0;

	dword encoded_size=0;

	dword image_ptr = 0;

	image_ptr = create_image(Image_bpp24, 32, 32);

	if (image_ptr == 0) {

		notify("'Error saving file, probably not enought memory!' -E");

	}

	else {

		EDI = image_ptr;

		memmov(EDI._Image.Data, image.get_image(), image.rows * image.columns * 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, "/rd/1/saved_image.png") == 0) {

				notify("'File saved as /rd/1/saved_image.png' -O");

			}

			else {

				notify("'Error saving file, probably not enought space on ramdisk!' -E");

			}

		}

	}

}

void EventSetActiveColor(int _number, _color)

{

	int i;

	for (i=13*2-1; i>0; i--) {

		last_used_colors[i] = last_used_colors[i-1];

	}

	last_used_colors[0] = _color;

	if (_number == 1) color1 = _color;

	if (_number == 2) color2 = _color;

	DrawActiveColor(NULL);

	DrawColorPallets();

}

void EventFill(dword _r, _c, _color)

{

	#define MARKED 6

	int r, c, i, restart;

	dword old_color = image.get_pixel(_r, _c);

	image.set_pixel(_r, _c, MARKED);

	do {

		restart=false;

		for (r = 0; r < image.rows; r++)

			for (c = 0; c < image.columns; c++)

			{

				IF (image.get_pixel(r,c) != old_color) continue;

				IF (image.get_pixel(r,c) == MARKED) continue;

				IF (c>0)               && (image.get_pixel(r,c-1) == MARKED) image.set_pixel(r,c,MARKED);

				IF (r>0)               && (image.get_pixel(r-1,c) == MARKED) image.set_pixel(r,c,MARKED);

				IF (c

				IF (r

				IF (image.get_pixel(r,c)==MARKED) restart=true;

			}

	}while(restart);

	for (i=0; i

			IF (image.mas[i]==MARKED) image.mas[i] = _color;

}

// target - image (1) or canvas (2)

void DrawLine(int x1, int y1, int x2, int y2, dword color, int target) {

	int dx, dy, signX, signY, error, error2;

   dx = x2 - x1;

   if (dx < 0)

	   dx = -dx;

   dy = y2 - y1;

   if (dy < 0)

	   dy = -dy;

   if (x1 < x2)

	   signX = 1;

   else

	   signX = -1;

   if (y1 < y2)

	   signY = 1;

   else

	   signY = -1;

   error = dx - dy;

	if (target == 1)

		image.set_pixel(y2, x2, color);

	else

		DrawBar(x2*zoom.value + canvas.x, y2*zoom.value + canvas.y,

				zoom.value, zoom.value, color);

   while((x1 != x2) || (y1 != y2))

  {

		if (target == 1)

			image.set_pixel(y1, x1, color);

		else

			DrawBar(x1*zoom.value + canvas.x, y1*zoom.value + canvas.y,

				zoom.value, zoom.value, color);

	   error2 = error * 2;

       if(error2 > calc(-dy))

       {

           error -= dy;

           x1 += signX;

       }

       if(error2 < dx)

       {

           error += dx;

           y1 += signY;

       }

   }

}

void DrawRectangleInCanvas(int x1, int y1, int x2, int y2, dword color, int target) {

	DrawLine(x1, y1, x2, y1, color, target);

	DrawLine(x2, y1, x2, y2, color, target);

	DrawLine(x2, y2, x1, y2, color, target);

	DrawLine(x1, y2, x1, y1, color, target);

}