/* * Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu * Copyright (c) 2012, 2013, Andrew Hannam aka inmarket * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "gfx.h" #define COLOR_SIZE 20 #define PEN_SIZE 20 #define OFFSET 3 #define COLOR_BOX(a) (ev.x >= a && ev.x <= a + COLOR_SIZE) #define PEN_BOX(a) (ev.y >= a && ev.y <= a + COLOR_SIZE) #define GET_COLOR(a) (COLOR_BOX(a * COLOR_SIZE + OFFSET)) #define GET_PEN(a) (PEN_BOX(a * 2 * PEN_SIZE + OFFSET)) #define DRAW_COLOR(a) (a * COLOR_SIZE + OFFSET) #define DRAW_PEN(a) (a * 2 * PEN_SIZE + OFFSET) #define DRAW_AREA(x, y) (x >= PEN_SIZE + OFFSET + 3 && x <= gdispGetWidth() && \ y >= COLOR_SIZE + OFFSET + 3 && y <= gdispGetHeight()) void drawScreen(void) { char *msg = "uGFX"; font_t font1, font2; font1 = gdispOpenFont("DejaVuSans24*"); font2 = gdispOpenFont("DejaVuSans12*"); gdispClear(GFX_WHITE); gdispDrawString(gdispGetWidth()-gdispGetStringWidth(msg, font1)-3, 3, msg, font1, GFX_BLACK); /* colors */ gdispFillArea(0 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, GFX_BLACK); /* Black */ gdispFillArea(1 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, GFX_RED); /* Red */ gdispFillArea(2 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, GFX_YELLOW); /* Yellow */ gdispFillArea(3 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, GFX_GREEN); /* Green */ gdispFillArea(4 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, GFX_BLUE); /* Blue */ gdispDrawBox (5 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, GFX_WHITE); /* White */ /* pens */ gdispFillStringBox(OFFSET * 2, DRAW_PEN(1), PEN_SIZE, PEN_SIZE, "1", font2, GFX_WHITE, GFX_BLACK, justifyCenter); gdispFillStringBox(OFFSET * 2, DRAW_PEN(2), PEN_SIZE, PEN_SIZE, "2", font2, GFX_WHITE, GFX_BLACK, justifyCenter); gdispFillStringBox(OFFSET * 2, DRAW_PEN(3), PEN_SIZE, PEN_SIZE, "3", font2, GFX_WHITE, GFX_BLACK, justifyCenter); gdispFillStringBox(OFFSET * 2, DRAW_PEN(4), PEN_SIZE, PEN_SIZE, "4", font2, GFX_WHITE, GFX_BLACK, justifyCenter); gdispFillStringBox(OFFSET * 2, DRAW_PEN(5), PEN_SIZE, PEN_SIZE, "5", font2, GFX_WHITE, GFX_BLACK, justifyCenter); gdispCloseFont(font1); gdispCloseFont(font2); } GEventMouse ev; int main(void) { gColor color = GFX_BLACK; uint16_t pen = 0; gfxInit(); ginputGetMouse(0); drawScreen(); while (1) { ginputGetMouseStatus(0, &ev); if (!(ev.buttons & GINPUT_MOUSE_BTN_LEFT)) continue; /* inside color box ? */ if(ev.y >= OFFSET && ev.y <= COLOR_SIZE) { if(GET_COLOR(0)) color = GFX_BLACK; else if(GET_COLOR(1)) color = GFX_RED; else if(GET_COLOR(2)) color = GFX_YELLOW; else if(GET_COLOR(3)) color = GFX_GREEN; else if(GET_COLOR(4)) color = GFX_BLUE; else if(GET_COLOR(5)) color = GFX_WHITE; /* inside pen box ? */ } else if(ev.x >= OFFSET && ev.x <= PEN_SIZE) { if(GET_PEN(1)) pen = 0; else if(GET_PEN(2)) pen = 1; else if(GET_PEN(3)) pen = 2; else if(GET_PEN(4)) pen = 3; else if(GET_PEN(5)) pen = 4; /* inside drawing area ? */ } else if(DRAW_AREA(ev.x, ev.y)) { if(pen == 0) gdispDrawPixel(ev.x, ev.y, color); else gdispFillCircle(ev.x, ev.y, pen, color); } } }