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