mirror of
https://github.com/reactos/reactos.git
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579 lines
20 KiB
C
579 lines
20 KiB
C
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL
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* FILE: base/applications/paint/mouse.c
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* PURPOSE: Things which should not be in the mouse event handler itself
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* PROGRAMMERS: Benedikt Freisen
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*/
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/* INCLUDES *********************************************************/
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#include "globalvar.h"
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#include "dib.h"
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#include "drawing.h"
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#include "history.h"
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/* FUNCTIONS ********************************************************/
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void
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placeSelWin()
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{
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MoveWindow(hSelection, rectSel_dest[0] * zoom / 1000, rectSel_dest[1] * zoom / 1000,
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rectSel_dest[2] * zoom / 1000 + 6, rectSel_dest[3] * zoom / 1000 + 6, TRUE);
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BringWindowToTop(hSelection);
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SendMessage(hImageArea, WM_PAINT, 0, 0);
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//SendMessage(hSelection, WM_PAINT, 0, 0);
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}
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void
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regularize(short x0, short y0, short *x1, short *y1)
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{
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if (abs(*x1 - x0) >= abs(*y1 - y0))
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*y1 = y0 + (*y1 > y0 ? abs(*x1 - x0) : -abs(*x1 - x0));
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else
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*x1 = x0 + (*x1 > x0 ? abs(*y1 - y0) : -abs(*y1 - y0));
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}
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void
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roundTo8Directions(short x0, short y0, short *x1, short *y1)
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{
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if (abs(*x1 - x0) >= abs(*y1 - y0))
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{
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if (abs(*y1 - y0) * 5 < abs(*x1 - x0) * 2)
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*y1 = y0;
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else
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*y1 = y0 + (*y1 > y0 ? abs(*x1 - x0) : -abs(*x1 - x0));
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}
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else
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{
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if (abs(*x1 - x0) * 5 < abs(*y1 - y0) * 2)
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*x1 = x0;
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else
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*x1 = x0 + (*x1 > x0 ? abs(*y1 - y0) : -abs(*y1 - y0));
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}
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}
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POINT pointStack[256];
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short pointSP;
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POINT *ptStack = NULL;
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int ptSP = 0;
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void
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startPaintingL(HDC hdc, short x, short y, int fg, int bg)
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{
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startX = x;
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startY = y;
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lastX = x;
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lastY = y;
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switch (activeTool)
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{
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case TOOL_FREESEL:
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ShowWindow(hSelection, SW_HIDE);
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if (ptStack != NULL)
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HeapFree(GetProcessHeap(), 0, ptStack);
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ptStack = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(POINT) * 1024);
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ptSP = 0;
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ptStack[0].x = x;
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ptStack[0].y = y;
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break;
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case TOOL_TEXT:
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case TOOL_LINE:
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case TOOL_RECT:
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case TOOL_ELLIPSE:
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case TOOL_RRECT:
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newReversible();
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break;
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case TOOL_RECTSEL:
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newReversible();
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ShowWindow(hSelection, SW_HIDE);
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rectSel_src[2] = rectSel_src[3] = 0;
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break;
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case TOOL_RUBBER:
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newReversible();
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Erase(hdc, x, y, x, y, bg, rubberRadius);
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break;
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case TOOL_FILL:
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newReversible();
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Fill(hdc, x, y, fg);
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break;
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case TOOL_PEN:
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newReversible();
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SetPixel(hdc, x, y, fg);
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break;
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case TOOL_BRUSH:
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newReversible();
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Brush(hdc, x, y, x, y, fg, brushStyle);
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break;
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case TOOL_AIRBRUSH:
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newReversible();
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Airbrush(hdc, x, y, fg, airBrushWidth);
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break;
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case TOOL_BEZIER:
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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if (pointSP == 0)
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{
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newReversible();
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pointSP++;
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}
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break;
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case TOOL_SHAPE:
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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if (pointSP + 1 >= 2)
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Poly(hdc, pointStack, pointSP + 1, fg, bg, lineWidth, shapeStyle, FALSE);
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if (pointSP == 0)
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{
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newReversible();
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pointSP++;
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}
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break;
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}
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}
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void
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whilePaintingL(HDC hdc, short x, short y, int fg, int bg)
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{
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switch (activeTool)
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{
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case TOOL_FREESEL:
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if (ptSP == 0)
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newReversible();
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ptSP++;
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if (ptSP % 1024 == 0)
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ptStack = HeapReAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, ptStack, sizeof(POINT) * (ptSP + 1024));
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ptStack[ptSP].x = max(0, min(x, imgXRes));
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ptStack[ptSP].y = max(0, min(y, imgYRes));
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resetToU1();
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Poly(hdc, ptStack, ptSP + 1, 0, 0, 2, 0, FALSE);
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break;
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case TOOL_RECTSEL:
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{
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short tempX;
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short tempY;
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resetToU1();
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tempX = max(0, min(x, imgXRes));
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tempY = max(0, min(y, imgYRes));
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rectSel_dest[0] = rectSel_src[0] = min(startX, tempX);
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rectSel_dest[1] = rectSel_src[1] = min(startY, tempY);
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rectSel_dest[2] = rectSel_src[2] = max(startX, tempX) - min(startX, tempX);
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rectSel_dest[3] = rectSel_src[3] = max(startY, tempY) - min(startY, tempY);
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RectSel(hdc, startX, startY, tempX, tempY);
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break;
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}
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case TOOL_RUBBER:
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Erase(hdc, lastX, lastY, x, y, bg, rubberRadius);
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break;
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case TOOL_PEN:
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Line(hdc, lastX, lastY, x, y, fg, 1);
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break;
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case TOOL_BRUSH:
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Brush(hdc, lastX, lastY, x, y, fg, brushStyle);
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break;
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case TOOL_AIRBRUSH:
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Airbrush(hdc, x, y, fg, airBrushWidth);
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break;
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case TOOL_LINE:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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roundTo8Directions(startX, startY, &x, &y);
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Line(hdc, startX, startY, x, y, fg, lineWidth);
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break;
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case TOOL_BEZIER:
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resetToU1();
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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switch (pointSP)
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{
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case 1:
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Line(hdc, pointStack[0].x, pointStack[0].y, pointStack[1].x, pointStack[1].y, fg,
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lineWidth);
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break;
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case 2:
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Bezier(hdc, pointStack[0], pointStack[2], pointStack[2], pointStack[1], fg, lineWidth);
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break;
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case 3:
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Bezier(hdc, pointStack[0], pointStack[2], pointStack[3], pointStack[1], fg, lineWidth);
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break;
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}
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break;
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case TOOL_RECT:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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regularize(startX, startY, &x, &y);
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Rect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
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break;
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case TOOL_SHAPE:
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resetToU1();
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
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roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
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(short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
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if (pointSP + 1 >= 2)
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Poly(hdc, pointStack, pointSP + 1, fg, bg, lineWidth, shapeStyle, FALSE);
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break;
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case TOOL_ELLIPSE:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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regularize(startX, startY, &x, &y);
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Ellp(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
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break;
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case TOOL_RRECT:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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regularize(startX, startY, &x, &y);
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RRect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
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break;
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}
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lastX = x;
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lastY = y;
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}
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void
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endPaintingL(HDC hdc, short x, short y, int fg, int bg)
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{
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switch (activeTool)
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{
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case TOOL_FREESEL:
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{
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POINT *ptStackCopy;
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int i;
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rectSel_src[0] = rectSel_src[1] = 0x7fffffff;
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rectSel_src[2] = rectSel_src[3] = 0;
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for (i = 0; i <= ptSP; i++)
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{
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if (ptStack[i].x < rectSel_src[0])
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rectSel_src[0] = ptStack[i].x;
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if (ptStack[i].y < rectSel_src[1])
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rectSel_src[1] = ptStack[i].y;
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if (ptStack[i].x > rectSel_src[2])
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rectSel_src[2] = ptStack[i].x;
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if (ptStack[i].y > rectSel_src[3])
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rectSel_src[3] = ptStack[i].y;
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}
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rectSel_src[2] += 1 - rectSel_src[0];
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rectSel_src[3] += 1 - rectSel_src[1];
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rectSel_dest[0] = rectSel_src[0];
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rectSel_dest[1] = rectSel_src[1];
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rectSel_dest[2] = rectSel_src[2];
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rectSel_dest[3] = rectSel_src[3];
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if (ptSP != 0)
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{
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DeleteObject(hSelMask);
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hSelMask = CreateBitmap(rectSel_src[2], rectSel_src[3], 1, 1, NULL);
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DeleteObject(SelectObject(hSelDC, hSelMask));
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ptStackCopy = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(POINT) * (ptSP + 1));
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for (i = 0; i <= ptSP; i++)
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{
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ptStackCopy[i].x = ptStack[i].x - rectSel_src[0];
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ptStackCopy[i].y = ptStack[i].y - rectSel_src[1];
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}
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Poly(hSelDC, ptStackCopy, ptSP + 1, 0x00ffffff, 0x00ffffff, 1, 2, TRUE);
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HeapFree(GetProcessHeap(), 0, ptStackCopy);
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SelectObject(hSelDC, hSelBm = CreateDIBWithProperties(rectSel_src[2], rectSel_src[3]));
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resetToU1();
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MaskBlt(hSelDC, 0, 0, rectSel_src[2], rectSel_src[3], hDrawingDC, rectSel_src[0],
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rectSel_src[1], hSelMask, 0, 0, MAKEROP4(SRCCOPY, WHITENESS));
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Poly(hdc, ptStack, ptSP + 1, bg, bg, 1, 2, TRUE);
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newReversible();
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MaskBlt(hDrawingDC, rectSel_src[0], rectSel_src[1], rectSel_src[2], rectSel_src[3], hSelDC, 0,
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0, hSelMask, 0, 0, MAKEROP4(SRCCOPY, SRCAND));
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placeSelWin();
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ShowWindow(hSelection, SW_SHOW);
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}
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HeapFree(GetProcessHeap(), 0, ptStack);
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ptStack = NULL;
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break;
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}
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case TOOL_RECTSEL:
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resetToU1();
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if ((rectSel_src[2] != 0) && (rectSel_src[3] != 0))
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{
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DeleteObject(hSelMask);
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hSelMask = CreateBitmap(rectSel_src[2], rectSel_src[3], 1, 1, NULL);
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DeleteObject(SelectObject(hSelDC, hSelMask));
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Rect(hSelDC, 0, 0, rectSel_src[2], rectSel_src[3], 0x00ffffff, 0x00ffffff, 1, 2);
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SelectObject(hSelDC, hSelBm = CreateDIBWithProperties(rectSel_src[2], rectSel_src[3]));
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resetToU1();
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BitBlt(hSelDC, 0, 0, rectSel_src[2], rectSel_src[3], hDrawingDC, rectSel_src[0],
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rectSel_src[1], SRCCOPY);
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Rect(hdc, rectSel_src[0], rectSel_src[1], rectSel_src[0] + rectSel_src[2],
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rectSel_src[1] + rectSel_src[3], bgColor, bgColor, 0, TRUE);
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newReversible();
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BitBlt(hDrawingDC, rectSel_src[0], rectSel_src[1], rectSel_src[2], rectSel_src[3], hSelDC, 0,
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0, SRCCOPY);
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placeSelWin();
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ShowWindow(hSelection, SW_SHOW);
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}
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break;
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case TOOL_RUBBER:
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Erase(hdc, lastX, lastY, x, y, bg, rubberRadius);
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break;
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case TOOL_PEN:
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Line(hdc, lastX, lastY, x, y, fg, 1);
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SetPixel(hdc, x, y, fg);
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break;
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case TOOL_LINE:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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roundTo8Directions(startX, startY, &x, &y);
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Line(hdc, startX, startY, x, y, fg, lineWidth);
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break;
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case TOOL_BEZIER:
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pointSP++;
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if (pointSP == 4)
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pointSP = 0;
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break;
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case TOOL_RECT:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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regularize(startX, startY, &x, &y);
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Rect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
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break;
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case TOOL_SHAPE:
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resetToU1();
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
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roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
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(short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
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pointSP++;
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if (pointSP >= 2)
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{
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if ((pointStack[0].x - x) * (pointStack[0].x - x) +
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(pointStack[0].y - y) * (pointStack[0].y - y) <= lineWidth * lineWidth + 1)
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{
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Poly(hdc, pointStack, pointSP, fg, bg, lineWidth, shapeStyle, TRUE);
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pointSP = 0;
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}
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else
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{
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Poly(hdc, pointStack, pointSP, fg, bg, lineWidth, shapeStyle, FALSE);
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}
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}
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if (pointSP == 255)
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pointSP--;
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break;
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case TOOL_ELLIPSE:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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regularize(startX, startY, &x, &y);
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Ellp(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
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break;
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case TOOL_RRECT:
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resetToU1();
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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regularize(startX, startY, &x, &y);
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RRect(hdc, startX, startY, x, y, fg, bg, lineWidth, shapeStyle);
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break;
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}
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}
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void
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startPaintingR(HDC hdc, short x, short y, int fg, int bg)
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{
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startX = x;
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startY = y;
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lastX = x;
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lastY = y;
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switch (activeTool)
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{
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case TOOL_FREESEL:
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case TOOL_TEXT:
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case TOOL_LINE:
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case TOOL_RECT:
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case TOOL_ELLIPSE:
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case TOOL_RRECT:
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newReversible();
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break;
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case TOOL_RUBBER:
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newReversible();
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Replace(hdc, x, y, x, y, fg, bg, rubberRadius);
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break;
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case TOOL_FILL:
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newReversible();
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Fill(hdc, x, y, bg);
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break;
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case TOOL_PEN:
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newReversible();
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SetPixel(hdc, x, y, bg);
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break;
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case TOOL_BRUSH:
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newReversible();
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Brush(hdc, x, y, x, y, bg, brushStyle);
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break;
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case TOOL_AIRBRUSH:
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newReversible();
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Airbrush(hdc, x, y, bg, airBrushWidth);
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break;
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case TOOL_BEZIER:
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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if (pointSP == 0)
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{
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newReversible();
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pointSP++;
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}
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break;
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case TOOL_SHAPE:
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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if (pointSP + 1 >= 2)
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Poly(hdc, pointStack, pointSP + 1, bg, fg, lineWidth, shapeStyle, FALSE);
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if (pointSP == 0)
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{
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newReversible();
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pointSP++;
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}
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break;
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}
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}
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|
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void
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whilePaintingR(HDC hdc, short x, short y, int fg, int bg)
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{
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switch (activeTool)
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{
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case TOOL_RUBBER:
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Replace(hdc, lastX, lastY, x, y, fg, bg, rubberRadius);
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break;
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case TOOL_PEN:
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Line(hdc, lastX, lastY, x, y, bg, 1);
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break;
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case TOOL_BRUSH:
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Brush(hdc, lastX, lastY, x, y, bg, brushStyle);
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break;
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case TOOL_AIRBRUSH:
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Airbrush(hdc, x, y, bg, airBrushWidth);
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break;
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case TOOL_LINE:
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resetToU1();
|
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if (GetAsyncKeyState(VK_SHIFT) < 0)
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roundTo8Directions(startX, startY, &x, &y);
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Line(hdc, startX, startY, x, y, bg, lineWidth);
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break;
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case TOOL_BEZIER:
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resetToU1();
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pointStack[pointSP].x = x;
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pointStack[pointSP].y = y;
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switch (pointSP)
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{
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|
case 1:
|
|
Line(hdc, pointStack[0].x, pointStack[0].y, pointStack[1].x, pointStack[1].y, bg,
|
|
lineWidth);
|
|
break;
|
|
case 2:
|
|
Bezier(hdc, pointStack[0], pointStack[2], pointStack[2], pointStack[1], bg, lineWidth);
|
|
break;
|
|
case 3:
|
|
Bezier(hdc, pointStack[0], pointStack[2], pointStack[3], pointStack[1], bg, lineWidth);
|
|
break;
|
|
}
|
|
break;
|
|
case TOOL_RECT:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
regularize(startX, startY, &x, &y);
|
|
Rect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
|
|
break;
|
|
case TOOL_SHAPE:
|
|
resetToU1();
|
|
pointStack[pointSP].x = x;
|
|
pointStack[pointSP].y = y;
|
|
if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
|
|
roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
|
|
(short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
|
|
if (pointSP + 1 >= 2)
|
|
Poly(hdc, pointStack, pointSP + 1, bg, fg, lineWidth, shapeStyle, FALSE);
|
|
break;
|
|
case TOOL_ELLIPSE:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
regularize(startX, startY, &x, &y);
|
|
Ellp(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
|
|
break;
|
|
case TOOL_RRECT:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
regularize(startX, startY, &x, &y);
|
|
RRect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
|
|
break;
|
|
}
|
|
|
|
lastX = x;
|
|
lastY = y;
|
|
}
|
|
|
|
void
|
|
endPaintingR(HDC hdc, short x, short y, int fg, int bg)
|
|
{
|
|
switch (activeTool)
|
|
{
|
|
case TOOL_RUBBER:
|
|
Replace(hdc, lastX, lastY, x, y, fg, bg, rubberRadius);
|
|
break;
|
|
case TOOL_PEN:
|
|
Line(hdc, lastX, lastY, x, y, bg, 1);
|
|
SetPixel(hdc, x, y, bg);
|
|
break;
|
|
case TOOL_LINE:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
roundTo8Directions(startX, startY, &x, &y);
|
|
Line(hdc, startX, startY, x, y, bg, lineWidth);
|
|
break;
|
|
case TOOL_BEZIER:
|
|
pointSP++;
|
|
if (pointSP == 4)
|
|
pointSP = 0;
|
|
break;
|
|
case TOOL_RECT:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
regularize(startX, startY, &x, &y);
|
|
Rect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
|
|
break;
|
|
case TOOL_SHAPE:
|
|
resetToU1();
|
|
pointStack[pointSP].x = x;
|
|
pointStack[pointSP].y = y;
|
|
if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
|
|
roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
|
|
(short *)&pointStack[pointSP].x, (short *)&pointStack[pointSP].y);
|
|
pointSP++;
|
|
if (pointSP >= 2)
|
|
{
|
|
if ((pointStack[0].x - x) * (pointStack[0].x - x) +
|
|
(pointStack[0].y - y) * (pointStack[0].y - y) <= lineWidth * lineWidth + 1)
|
|
{
|
|
Poly(hdc, pointStack, pointSP, bg, fg, lineWidth, shapeStyle, TRUE);
|
|
pointSP = 0;
|
|
}
|
|
else
|
|
{
|
|
Poly(hdc, pointStack, pointSP, bg, fg, lineWidth, shapeStyle, FALSE);
|
|
}
|
|
}
|
|
if (pointSP == 255)
|
|
pointSP--;
|
|
break;
|
|
case TOOL_ELLIPSE:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
regularize(startX, startY, &x, &y);
|
|
Ellp(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
|
|
break;
|
|
case TOOL_RRECT:
|
|
resetToU1();
|
|
if (GetAsyncKeyState(VK_SHIFT) < 0)
|
|
regularize(startX, startY, &x, &y);
|
|
RRect(hdc, startX, startY, x, y, bg, fg, lineWidth, shapeStyle);
|
|
break;
|
|
}
|
|
}
|