IconEdit 0.45 by Nicolas: new selection tool

git-svn-id: svn://kolibrios.org@7253 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/cmm/iconedit/actions_history.h

@@ -25,7 +25,7 @@ void _ActionsHistory::init() {
 	currentIndex = -1;
 
 	for (i = 0; i < MAX_ACTIONS_COUNT; i++)
-		stack[i] = malloc(image.columns * image.rows);
+		stack[i] = malloc(image.columns * image.rows * 4);
 
 	saveCurrentState();
 }
@@ -84,6 +84,7 @@ void _ActionsHistory::restoreState(dword index) {
 void _ActionsHistory::undoLastAction() {
 	dword previousAction;
 
+	if (!is_selection_moving()) {
 		// Если вышли за левую границу, перемещаемся в конец массива
 		if (currentIndex == 0) {
 			previousAction = MAX_ACTIONS_COUNT - 1;
@@ -104,10 +105,12 @@ void _ActionsHistory::undoLastAction() {
 				currentIndex = previousAction;
 		}
 	}
+}
 
 void _ActionsHistory::redoLastAction() {
 	dword nextAction = calc(currentIndex + 1);
 
+	if (!is_selection_moving()) {
 		// Если вышли за левую границу, возвращаемся в начало	
 		if (nextAction >= MAX_ACTIONS_COUNT)
 			nextAction = nextAction % MAX_ACTIONS_COUNT;
@@ -124,3 +127,4 @@ void _ActionsHistory::redoLastAction() {
 				currentIndex = nextAction;
 		}
 	}
+}

programs/cmm/iconedit/iconedit.c

@@ -18,6 +18,7 @@ pipet aside color view
 #include "../lib/mem.h"
 #include "../lib/obj/libimg.h"
 #include "../lib/patterns/rgb.h"
+#include "../lib/patterns/libimg_load_skin.h"
 
 #include "colors_mas.h"
 
@@ -27,7 +28,7 @@ pipet aside color view
 //                                                   //
 //===================================================//
 
-#define T_TITLE "Icon Editor 0.39"
+#define T_TITLE "Icon Editor 0.45"
 
 #define TOOLBAR_H    24+8
 #define PANEL_LEFT_W 16+5+5+3+3
@@ -38,6 +39,9 @@ pipet aside color view
 #define COLSIZE 18
 #define RIGHT_BAR_W PAL_ITEMS_X_COUNT*COLSIZE
 
+#define TO_CANVAS_X(xval) xval - canvas.x/zoom.value
+#define TO_CANVAS_Y(yval) yval - canvas.y/zoom.value
+
 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 };
@@ -67,6 +71,9 @@ enum {
 	BTN_FILL,
 	BTN_LINE,
 	BTN_RECT,
+	BTN_SELECT,
+	BTN_ZOOM_IN,
+	BTN_ZOOM_OUT,
 	BTNS_PALETTE_COLOR_MAS = 100,
 	BTNS_LAST_USED_COLORS = 400
 };
@@ -109,6 +116,7 @@ enum {
 	TOOL_FILL,
 	TOOL_LINE,
 	TOOL_RECT,
+	TOOL_SELECT
 };
 
 struct Tool {
@@ -117,10 +125,11 @@ struct Tool {
 	void (*activate)();
 	void (*deactivate)();
 	void (*onMouseEvent)(int x, int y, int lkm, int pkm);
+	void (*onKeyEvent)(dword keycode);
 	void (*onCanvasDraw)();
 };
 
-Tool tools[5];
+Tool tools[6];
 int currentTool = -1;
 
 void resetCurrentTool() {
@@ -140,6 +149,7 @@ void setCurrentTool(int index) {
 		tools[index].activate();
 
 	DrawLeftPanel();
+	DrawCanvas();
 }
 
 //===================================================//
@@ -308,6 +318,269 @@ void SimpleFigureTool_onCanvasDraw() {
 	}
 }
 
+// Selection
+int selection_start_x = -1;
+int selection_start_y = -1;
+int selection_end_x = -1;
+int selection_end_y = -1;
+bool selection_active = false;
+
+dword SelectionTool_buffer = 0;
+dword SelectionTool_buffer_r = 0;
+dword SelectionTool_buffer_c = 0;
+
+bool selection_moving_started = false;
+int selection_pivot_x = -1;
+int selection_pivot_y = -1;
+
+void SelectTool_normalizeSelection() {
+	int t;
+
+	// Restructuring of the selection coordinates
+	if (selection_end_x < selection_start_x) {
+		t = selection_start_x;
+		selection_start_x = selection_end_x;
+		selection_end_x = t;
+	} 
+
+	if (selection_end_y < selection_start_y) {
+		t = selection_end_y;
+		selection_end_y = selection_start_y;
+		selection_start_y = t;
+	}
+}
+
+void reset_selection_moving() {
+	if (selection_moving_started) {
+		SelectTool_drawBuffer(selection_start_x, selection_start_y, 1);
+
+		selection_pivot_x = -1;
+		selection_pivot_y = -1;
+		
+		selection_moving_started = false;
+		
+		actionsHistory.saveCurrentState();
+		DrawCanvas();
+	}
+}
+
+bool is_selection_moving() {
+	return selection_moving_started;
+}
+
+void reset_selection() {
+	reset_selection_moving();
+	
+	selection_start_x = -1;
+	selection_start_y = -1;
+	selection_end_x = -1;
+	selection_end_y = -1;	
+}
+
+void SelectTool_activate() {
+	reset_selection();
+
+	selection_active = false;
+}
+
+void SelectTool_deactivate() {
+	reset_selection_moving();
+}
+
+bool SelectTool_pointInSelection(int x, int y) {
+	if (x >= selection_start_x) && (x <= selection_end_x) && (y >= selection_start_y) && (y <= selection_end_y)
+		return true;
+	else 
+		return false;
+}
+
+
+void SelectTool_copyToBuffer() {
+	dword offset, r, c;
+
+		if (SelectionTool_buffer != 0)
+			free(SelectionTool_buffer);
+
+		SelectionTool_buffer_r = selection_end_y - selection_start_y + 1;
+		SelectionTool_buffer_c = selection_end_x - selection_start_x + 1;
+		SelectionTool_buffer = malloc(SelectionTool_buffer_r * SelectionTool_buffer_c * 4);
+
+		for (r = selection_start_y; r <= selection_end_y; r++) {
+			for (c = selection_start_x; c <= selection_end_x; c++) {
+				offset = calc(SelectionTool_buffer_c * calc(r - selection_start_y) + calc(c - selection_start_x)) * 4;
+
+				ESDWORD[SelectionTool_buffer + offset] = image.get_pixel(r, c);
+			}
+		}
+}
+
+void SelectTool_onMouseEvent(int mouseX, int mouseY, int lkm, int pkm) {
+	int click_x, click_y, dx, dy, m_x, m_y, r, c, color;
+	dword pixel;
+	
+	m_x = TO_CANVAS_X(mouseX);
+	m_y = TO_CANVAS_Y(mouseY);
+	
+	if (mouse.down) && (canvas.hovered()) && (!selection_active) {
+		if (selection_start_x != -1) && (SelectTool_pointInSelection(m_x, m_y)) {
+			if (selection_pivot_x == -1) {
+				selection_pivot_x = m_x;
+				selection_pivot_y = m_y;
+				
+				GetKeys();
+				
+				if (!selection_moving_started) && ( !(key_modifier&KEY_LSHIFT) ) {
+					for (r = selection_start_y; r <= selection_end_y; r++)
+						for (c = selection_start_x; c <= selection_end_x; c++) {
+							image.set_pixel(r, c, color2);
+						}
+				}
+				
+				selection_moving_started = true;
+			}
+		}
+		else {
+		
+			reset_selection();
+			selection_active = true;
+		}
+	}
+
+	if (selection_pivot_x != -1) {
+		dx = m_x - selection_pivot_x;
+		dy = m_y - selection_pivot_y;
+
+		if (selection_start_x + dx < 0)
+			dx = selection_start_x;
+		
+		if (selection_end_x + dx >= 32)
+			dx = 31 - selection_end_x;
+		
+		if (selection_start_y + dy < 0)
+			dy = selection_start_y;
+		
+		if (selection_end_y + dy >= 32)
+			dy = 31 - selection_end_y;
+		
+		
+		selection_start_x += dx;
+		selection_end_x += dx;
+		
+		selection_start_y += dy;
+		selection_end_y += dy;
+		
+		selection_pivot_x += dx;
+		selection_pivot_y += dy;
+		
+		DrawCanvas();
+	}
+	
+	if (selection_active)
+	{
+		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<canvas.x) mouseX = canvas.x;
+		if (mouseY<canvas.y) mouseY = canvas.y;
+
+		if (mouse.key) {
+			selection_end_x = TO_CANVAS_X(mouseX);
+			selection_end_y = TO_CANVAS_Y(mouseY);
+
+			if ((selection_start_x < 0) || (selection_start_y < 0)) {
+				selection_start_x = TO_CANVAS_X(mouseX);
+				selection_start_y = TO_CANVAS_Y(mouseY);
+			}
+			else {
+				DrawCanvas();
+
+				/**if ((calc(TO_CANVAS_X(mouseX)) != selection_end_x)
+					|| (calc(TO_CANVAS_Y(mouseY)) != selection_end_y)) 
+				{
+					DrawCanvas();
+				}*/
+			}
+
+		}
+		
+		if (mouse.up) {			
+			selection_active = false;
+			
+			SelectTool_normalizeSelection();
+			SelectTool_copyToBuffer();
+		}
+	}
+	
+	if (mouse.up) {
+		if (selection_pivot_x != -1) {
+			selection_pivot_x = -1;
+			selection_pivot_y = -1;
+		}
+	}
+}
+
+void SelectTool_onCanvasDraw() {	
+	if (selection_moving_started)
+		SelectTool_drawBuffer(selection_start_x, selection_start_y, 2);
+
+	if ((selection_start_x >= 0) && (selection_start_y >= 0) && (selection_end_x >= 0) && (selection_end_y >= 0)) {
+		DrawSelection(selection_start_x, selection_start_y, selection_end_x, selection_end_y);
+	}	
+}
+
+void SelectTool_drawBuffer(int insert_x, int insert_y, int target) {
+	dword color;
+	dword offset, r, c;
+	dword insert_to_x, insert_to_y;
+	
+	if (SelectionTool_buffer != 0) {
+		insert_to_x = insert_x + SelectionTool_buffer_c - 1;
+			
+		if (insert_to_x >= image.columns)
+			insert_to_x = image.columns-1;
+
+		insert_to_y = insert_y + SelectionTool_buffer_r - 1;
+			
+		if (insert_to_y >= image.rows)
+			insert_to_y = image.rows-1;
+
+		for (r = insert_y; r <= insert_to_y; r++) {
+			for (c = insert_x; c <= insert_to_x; c++) {
+					offset = calc(SelectionTool_buffer_c * calc(r - insert_y) + calc(c - insert_x)) * 4;
+
+					color = ESDWORD[SelectionTool_buffer + offset];
+					
+					if (target == 1)
+						image.set_pixel(r, c, color);
+					else
+						DrawBar(c*zoom.value + canvas.x, r*zoom.value + canvas.y, 
+							zoom.value, zoom.value, color);
+			}
+		}	
+	}	
+}
+
+void SelectTool_onKeyEvent(dword keycode) {
+	dword offset, r, c;
+	dword insert_x, insert_y, insert_to_x, insert_to_y;
+
+	if (keycode == SCAN_CODE_KEY_V) {
+		if (SelectionTool_buffer != 0) {
+			reset_selection();
+			
+			selection_moving_started = true;
+			selection_start_x = 0;
+			selection_end_x = SelectionTool_buffer_c - 1;
+			
+			selection_start_y = 0;
+			selection_end_y = SelectionTool_buffer_r - 1;
+			
+			DrawCanvas();
+	
+		}
+	}
+}
+
 void initTools() 
 {
 	tools[0].id = TOOL_PENCIL;
@@ -332,6 +605,13 @@ void initTools()
 	tools[4].deactivate = #SimpleFigureTool_Reset;
 	tools[4].onMouseEvent = #SimpleFigureTool_onMouseEvent;
 	tools[4].onCanvasDraw = #SimpleFigureTool_onCanvasDraw;	
+
+	tools[5].id = TOOL_SELECT;
+	tools[5].activate = #SelectTool_activate;
+	tools[5].deactivate = #SelectTool_deactivate;
+	tools[5].onMouseEvent = #SelectTool_onMouseEvent;
+	tools[5].onCanvasDraw = #SelectTool_onCanvasDraw;	
+	tools[5].onKeyEvent = #SelectTool_onKeyEvent;	
 }
 
 void main()
@@ -394,7 +674,7 @@ void main()
 
 		case evButton:
 			btn = GetButtonID();
-			if (zoom.click(btn)) DrawEditArea();
+
 			switch(btn)
 			{
 				case BTN_NEW:
@@ -448,6 +728,17 @@ void main()
 				case BTN_RECT:
 					setCurrentTool(TOOL_RECT);
 					break;
+				case BTN_SELECT:
+					setCurrentTool(TOOL_SELECT);
+					break;
+				case BTN_ZOOM_IN:
+					zoom.inc();
+					DrawEditArea();
+					break;
+				case BTN_ZOOM_OUT:
+					zoom.dec();
+					DrawEditArea();
+					break;
 				case CLOSE_BTN:
 					ExitProcess();
 					break;
@@ -456,6 +747,10 @@ void main()
 	  
 		case evKey:
 			GetKeys();
+
+			if (currentTool != TOOL_NONE) && (tools[currentTool].onKeyEvent != 0)
+				tools[currentTool].onKeyEvent(key_scancode);
+
 			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);
@@ -463,11 +758,12 @@ void main()
 			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_Z) && (key_modifier&KEY_LCTRL) actionsHistory.undoLastAction();
-			if (key_scancode == SCAN_CODE_KEY_C) actionsHistory.redoLastAction();
+			if (key_scancode == SCAN_CODE_KEY_Y) && (key_modifier&KEY_LCTRL) actionsHistory.redoLastAction();
+
+			if (key_scancode == SCAN_CODE_MINUS) {zoom.dec(); DrawEditArea();}
+			if (key_scancode == SCAN_CODE_PLUS)  {zoom.inc();  DrawEditArea();}
 
-			if (key_scancode == SCAN_CODE_MINUS) {zoom.inc(); DrawEditArea();}
-			if (key_scancode == SCAN_CODE_PLUS)  {zoom.dec();  DrawEditArea();}
 			break;
 		 
 		case evReDraw:
@@ -545,6 +841,7 @@ void DrawLeftPanel()
 	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);
+	DrawLeftPanelButton(BTN_SELECT,   ty.inc(TB_ICON_PADDING), 43);
 	DrawRectangle3D(5, currentTool*TB_ICON_PADDING+TOOLBAR_H, 16+3+2, 16+3+2, 0x333333, 0x777777);
 }
 
@@ -821,3 +1118,47 @@ void DrawRectangleInCanvas(int x1, int y1, int x2, int y2, dword color, int targ
 	DrawLine(x2, y2, x1, y2, color, target);
 	DrawLine(x1, y2, x1, y1, color, target);
 }
+
+#define SELECTION_COLOR 0xAAE5EF
+
+void DrawSelection(int x1, int y1, int x2, int y2) {
+	int p1x, p1y, p2x, p2y, r, c, old_color, new_color;
+	dword offset;
+
+	if (x1 <= x2) {
+		p1x = x1;
+		p2x = x2;
+	}
+	else {
+		p1x = x2;
+		p2x = x1;
+	}
+
+	if (y1 <= y2) {
+		p2y = y1;
+		p1y = y2;
+	}
+	else {
+		p2y = y2;
+		p1y = y1;
+	}
+
+	for (r = p1y; r >= p2y; r--) {
+		for (c = p1x; c <= p2x; c++) {
+			
+			if (selection_moving_started) && (SelectTool_pointInSelection(c, r)) {
+				offset = calc(SelectionTool_buffer_c * calc(r - selection_start_y) + calc(c - selection_start_x)) * 4;
+				old_color = ESDWORD[SelectionTool_buffer + offset];
+			}
+			else {
+				old_color = image.get_pixel(r, c);
+			}
+			
+			new_color = MixColors(old_color, SELECTION_COLOR, 64);
+			
+			DrawBar(c*zoom.value + canvas.x, r*zoom.value + canvas.y, 
+				zoom.value, zoom.value, new_color);
+
+		}
+	}
+}