kolibrios/programs/cmm/iconedit/tools.h
Kirill Lipatov (Leency) 82d3fec9f1 Add Appearance: add standard edit;
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
2018-04-22 13:33:01 +00:00

590 lines
15 KiB
C

enum {
TOOL_NONE = -1,
TOOL_PENCIL,
TOOL_PIPETTE,
TOOL_FILL,
TOOL_LINE,
TOOL_RECT,
TOOL_SELECT
};
struct Tool {
int id;
void (*activate)();
void (*deactivate)();
void (*onMouseEvent)(int x, int y, int lkm, int pkm);
void (*onKeyEvent)(dword keycode);
void (*onCanvasDraw)();
};
int currentTool = -1;
Tool tools[6];
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();
DrawCanvas();
}
//===================================================//
// //
// FUNTIONS //
// //
//===================================================//
void FillTool_onMouseEvent(int mouseX, int mouseY, int lkm, int pkm) {
if (canvas.hovered()) && (currentTool==TOOL_FILL) && (mouse.up)
{
image.fill(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<canvas.x) mouseX = canvas.x;
if (mouseY<canvas.y) mouseY = canvas.y;
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;
}
}
// 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 >= image.columns)
dx = image.columns-1 - selection_end_x;
if (selection_start_y + dy < 0)
dy = selection_start_y;
if (selection_end_y + dy >= image.rows)
dy = image.rows-1 - 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();
}
}
}
//===================================================//
// //
// DRAWs //
// //
//===================================================//
// 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;
if (1==target) {
image.draw_line(x1, y1, x2, y2, color);
return;
}
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;
DrawBar(x2*zoom.value + canvas.x, y2*zoom.value + canvas.y,
zoom.value, zoom.value, color);
while((x1 != x2) || (y1 != y2))
{
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);
}
#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);
}
}
}