112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/*
|
|
* 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, Blue }, // Point
|
|
{ GGRAPH_LINE_NONE, 2, Gray }, // Line
|
|
{ GGRAPH_LINE_SOLID, 0, White }, // X axis
|
|
{ GGRAPH_LINE_SOLID, 0, White }, // Y axis
|
|
{ GGRAPH_LINE_DASH, 5, Gray, 50 }, // X grid
|
|
{ GGRAPH_LINE_DOT, 7, Yellow, 50 }, // Y grid
|
|
GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // Flags
|
|
};
|
|
|
|
// Another graph styling
|
|
static const GGraphStyle GraphStyle2 = {
|
|
{ GGRAPH_POINT_SQUARE, 5, Red }, // Point
|
|
{ GGRAPH_LINE_DOT, 2, Pink }, // Line
|
|
{ GGRAPH_LINE_SOLID, 0, White }, // X axis
|
|
{ GGRAPH_LINE_SOLID, 0, White }, // Y axis
|
|
{ GGRAPH_LINE_DASH, 5, Gray, 50 }, // X grid
|
|
{ GGRAPH_LINE_DOT, 7, 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 = TRUE;
|
|
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*M_PI*i/180));
|
|
}
|
|
|
|
// Modify the style
|
|
gwinGraphStartSet(gh);
|
|
GraphStyle1.point.color = 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*M_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(TRUE) {
|
|
gfxSleepMilliseconds(100);
|
|
}
|
|
}
|