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Fixes to GWIN graph and demo

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This commit is contained in:
Andrew Hannam 2012-12-06 22:24:28 +10:00
parent 07f3483535
commit ec89b8e82d
2 changed files with 20 additions and 8 deletions
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25
demos/modules/graph/main.c
View File

@ -13,9 +13,19 @@ int data[5][2] = {
GGraphObject g;
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_NONE, 0, White, 0 }, // x grid
{ GGRAPH_LINE_NONE, 0, White, 0 }, // y grid
GWIN_GRAPH_STYLE_XAXIS_ARROWS|GWIN_GRAPH_STYLE_YAXIS_ARROWS // flags
};
GGraphStyle GraphStyle2 = {
{ GGRAPH_POINT_DOT, 0, Green }, // point
{ GGRAPH_LINE_DOT, 2, Gray }, // line
{ GGRAPH_LINE_NONE, 2, Gray }, // line
{ GGRAPH_LINE_SOLID, 0, White }, // x axis
{ GGRAPH_LINE_SOLID, 0, White }, // y axis
{ GGRAPH_LINE_NONE, 0, White, 0 }, // x grid
@ -33,19 +43,20 @@ int main(void) {
gdispInit();
gdispClear(Black);
gh = gwinCreateGraph(0, 0, gdispGetWidth(), gdispGetHeight());
gh = gwinCreateGraph(&g, 0, 0, gdispGetWidth(), gdispGetHeight());
gwinGraphSetOrigin(gh, 150, 150);
gwinGraphSetOrigin(gh, gwinGetWidth(gh)/2, gwinGetHeight(gh)/2);
gwinGraphSetStyle(gh, &GraphStyle1);
gwinGraphDrawAxis(gh);
for(i = 0; i < 2500; i++)
gwinGraphDrawPoint(gh, i-170, 80*sin(2*0.2*M_PI*i/180));
for(i = 0; i < gwinGetWidth(gh); i++)
gwinGraphDrawPoint(gh, i-gwinGetWidth(gh)/2, 80*sin(2*0.2*M_PI*i/180));
gwinGraphStartSet(gh);
gwinGraphSetStyle(gh, &GraphStyle2);
for(i = 0; i < 2500; i++)
gwinGraphDrawPoint(gh, i/5-150, 95*sin(2*0.2*M_PI*i/180));
for(i = 0; i < gwinGetWidth(gh)*5; i++)
gwinGraphDrawPoint(gh, i/5-gwinGetWidth(gh)/2, 95*sin(2*0.2*M_PI*i/180));
while(TRUE) {
chThdSleepMilliseconds(100);

3
src/gwin/graph.c
View File

@ -88,7 +88,7 @@ static void lineto(GGraphObject *gg, coord_t x0, coord_t y0, coord_t x1, coord_t
x0 += gg->gwin.x + gg->xorigin;
y0 = gg->gwin.y + gg->gwin.height - 1 - gg->yorigin - y0;
x1 += gg->gwin.x + gg->xorigin;
y1 += gg->gwin.y + gg->gwin.height - 1 - gg->yorigin - y1;
y1 = gg->gwin.y + gg->gwin.height - 1 - gg->yorigin - y1;
if (style->size <= 0) {
// Use the driver to draw a solid line
@ -235,6 +235,7 @@ void gwinGraphSetStyle(GHandle gh, const GGraphStyle *pstyle) {
gg->style.ygrid.size = pstyle->ygrid.size;
gg->style.ygrid.color = pstyle->ygrid.color;
gg->style.ygrid.spacing = pstyle->ygrid.spacing;
gg->style.flags = pstyle->flags;
#undef gg
}