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| author | Joel Bodenmann <joel@unormal.org> | 2012-10-24 02:57:59 +0200 |
|---|---|---|
| committer | Joel Bodenmann <joel@unormal.org> | 2012-10-24 02:57:59 +0200 |
| commit | 6005051ac7a795cc48f6bf48ff9097dd7275ced3 (patch) | |
| tree | a5b37c5c465d4239f97fa5350c9067ef421d3814 /src/graph.c | |
| parent | 5ac69126489aaa36182f79ea184fc771d0ac5d27 (diff) | |
| download | uGFX-6005051ac7a795cc48f6bf48ff9097dd7275ced3.tar.gz uGFX-6005051ac7a795cc48f6bf48ff9097dd7275ced3.tar.bz2 uGFX-6005051ac7a795cc48f6bf48ff9097dd7275ced3.zip | |
graph update
Diffstat (limited to 'src/graph.c')
| -rw-r--r-- | src/graph.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/src/graph.c b/src/graph.c index c67fa252..bd9c39c2 100644 --- a/src/graph.c +++ b/src/graph.c @@ -72,13 +72,15 @@ void graphDrawOneQuadrant(Graph *g) { /* X Axis */ gdispDrawLine(g->x0, g->y1, g->x1, g->y1, g->color); - for(i = 0; i <= (length_y / g->grid_size); i++) - _horizontalDotLine(g->x0, g->y0 + g->grid_size * i, g->x1, g->dot_space, g->color); + if(g->grid_size > 0) + for(i = 0; i <= (length_y / g->grid_size); i++) + _horizontalDotLine(g->x0, g->y0 + g->grid_size * i, g->x1, g->dot_space, g->color); /* Y Axis */ gdispDrawLine(g->x0, g->y0, g->x0, g->y1, g->color); - for(i = 0; i <= (length_x / g->grid_size); i++) - _verticalDotLine(g->x0 + g->grid_size * i, g->y0, g->y1, g->dot_space, g->color); + if(g->grid_size > 0); + for(i = 0; i <= (length_x / g->grid_size); i++) + _verticalDotLine(g->x0 + g->grid_size * i, g->y0, g->y1, g->dot_space, g->color); } void graphDrawFourQuadrants(Graph *g) { @@ -98,13 +100,22 @@ void graphDrawFourQuadrants(Graph *g) { /* X Axis */ gdispDrawLine(g->x0, middle_y, g->x1, middle_y, g->color); - for(i = 0; i <= (length_y / g->grid_size); i++) - _horizontalDotLine(g->x0, g->y0 + g->grid_size * i, g->x1, g->dot_space, g->color); + if(g->grid_size > 0) + for(i = 0; i <= (length_y / g->grid_size); i++) + _horizontalDotLine(g->x0, g->y0 + g->grid_size * i, g->x1, g->dot_space, g->color); /* Y Axis */ gdispDrawLine(middle_x, g->y0, middle_x, g->y1, g->color); - for(i = 0; i <= (length_x / g->grid_size); i++) - _verticalDotLine(g->x0 + g->grid_size * i, g->y0, g->y1, g->dot_space, g->color); + if(g->grid_size > 0) + for(i = 0; i <= (length_x / g->grid_size); i++) + _verticalDotLine(g->x0 + g->grid_size * i, g->y0, g->y1, g->dot_space, g->color); +} + +void graphDrawDot(coord_t x, coord_t y, uint16_t radius, color_t color) { + if(radius == 1) + gdispDrawPixel(origin.x + x, origin.y + y, color); + else + gdispFillCircle(origin.x + x, origin.y + y, radius, color); } void graphDrawDots(int coord[][2], uint16_t entries, uint16_t radius, uint16_t color) { |