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/*
* Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
* 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 <organization> 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 <COPYRIGHT HOLDER> 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"
#include "math.h"
// A set of data points that will be displayed in the graph
static const point data[5] = {
{ -40, -40 },
{ 70, 40 },
{ 140, 60 },
{ 210, 60 },
{ 280, 200 }
};
// A graph styling
static GGraphStyle GraphStyle1 = {
{ GGRAPH_POINT_DOT, 0, GFX_BLUE }, // Point
{ GGRAPH_LINE_NONE, 2, GFX_GRAY }, // Line
{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // X axis
{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // Y axis
{ GGRAPH_LINE_DASH, 5, GFX_GRAY, 50 }, // X grid
{ GGRAPH_LINE_DOT, 7, GFX_YELLOW, 50 }, // Y grid
GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // Flags
};
// Another graph styling
static const GGraphStyle GraphStyle2 = {
{ GGRAPH_POINT_SQUARE, 5, GFX_RED }, // Point
{ GGRAPH_LINE_DOT, 2, GFX_PINK }, // Line
{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // X axis
{ GGRAPH_LINE_SOLID, 0, GFX_WHITE }, // Y axis
{ GGRAPH_LINE_DASH, 5, GFX_GRAY, 50 }, // X grid
{ GGRAPH_LINE_DOT, 7, GFX_YELLOW, 50 }, // Y grid
GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // Flags
};
int main(void) {
GHandle gh;
uint16_t i;
gfxInit();
// Create the graph window
{
GWindowInit wi;
wi.show = gTrue;
wi.x = wi.y = 0;
wi.width = gdispGetWidth();
wi.height = gdispGetHeight();
gh = gwinGraphCreate(0, &wi);
}
// Set the graph origin and style
gwinGraphSetOrigin(gh, gwinGetWidth(gh)/2, gwinGetHeight(gh)/2);
gwinGraphSetStyle(gh, &GraphStyle1);
gwinGraphDrawAxis(gh);
// Draw a sine wave
for(i = 0; i < gwinGetWidth(gh); i++) {
gwinGraphDrawPoint(gh, i-gwinGetWidth(gh)/2, 80*sin(2*0.2*GFX_PI*i/180));
}
// Modify the style
gwinGraphStartSet(gh);
GraphStyle1.point.color = GFX_GREEN;
gwinGraphSetStyle(gh, &GraphStyle1);
// Draw a different sine wave
for(i = 0; i < gwinGetWidth(gh)*5; i++) {
gwinGraphDrawPoint(gh, i/5-gwinGetWidth(gh)/2, 95*sin(2*0.2*GFX_PI*i/180));
}
// Change to a completely different style
gwinGraphStartSet(gh);
gwinGraphSetStyle(gh, &GraphStyle2);
// Draw a set of points
gwinGraphDrawPoints(gh, data, sizeof(data)/sizeof(data[0]));
while(1) {
gfxSleepMilliseconds(100);
}
}
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