112 lines
3.9 KiB
C
112 lines
3.9 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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#include "math.h"
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// A set of data points that will be displayed in the graph
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static const gPoint data[5] = {
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{ -40, -40 },
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{ 70, 40 },
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{ 140, 60 },
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{ 210, 60 },
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{ 280, 200 }
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};
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// A graph styling
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static GGraphStyle GraphStyle1 = {
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{ GGRAPH_POINT_DOT, 0, GFX_BLUE }, // Point
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{ GGRAPH_LINE_NONE, 2, GFX_GRAY }, // Line
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{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // X axis
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{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // Y axis
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{ GGRAPH_LINE_DASH, 5, GFX_GRAY, 50 }, // X grid
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{ GGRAPH_LINE_DOT, 7, GFX_YELLOW, 50 }, // Y grid
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GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // Flags
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};
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// Another graph styling
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static const GGraphStyle GraphStyle2 = {
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{ GGRAPH_POINT_SQUARE, 5, GFX_RED }, // Point
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{ GGRAPH_LINE_DOT, 2, GFX_PINK }, // Line
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{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // X axis
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{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // Y axis
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{ GGRAPH_LINE_DASH, 5, GFX_GRAY, 50 }, // X grid
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{ GGRAPH_LINE_DOT, 7, GFX_YELLOW, 50 }, // Y grid
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GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // Flags
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};
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int main(void) {
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GHandle gh;
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gU16 i;
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gfxInit();
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// Create the graph window
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{
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GWindowInit wi;
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wi.show = gTrue;
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wi.x = wi.y = 0;
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wi.width = gdispGetWidth();
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wi.height = gdispGetHeight();
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gh = gwinGraphCreate(0, &wi);
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}
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// Set the graph origin and style
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gwinGraphSetOrigin(gh, gwinGetWidth(gh)/2, gwinGetHeight(gh)/2);
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gwinGraphSetStyle(gh, &GraphStyle1);
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gwinGraphDrawAxis(gh);
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// Draw a sine wave
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for(i = 0; i < gwinGetWidth(gh); i++) {
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gwinGraphDrawPoint(gh, i-gwinGetWidth(gh)/2, 80*sin(2*0.2*GFX_PI*i/180));
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}
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// Modify the style
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gwinGraphStartSet(gh);
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GraphStyle1.point.color = GFX_GREEN;
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gwinGraphSetStyle(gh, &GraphStyle1);
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// Draw a different sine wave
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for(i = 0; i < gwinGetWidth(gh)*5; i++) {
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gwinGraphDrawPoint(gh, i/5-gwinGetWidth(gh)/2, 95*sin(2*0.2*GFX_PI*i/180));
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}
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// Change to a completely different style
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gwinGraphStartSet(gh);
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gwinGraphSetStyle(gh, &GraphStyle2);
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// Draw a set of points
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gwinGraphDrawPoints(gh, data, sizeof(data)/sizeof(data[0]));
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while(1) {
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gfxSleepMilliseconds(100);
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}
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}
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