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authorVojtech Bocek <vbocek@gmail.com>2015-03-05 20:02:57 +0100
committerDees Troy <dees_troy@teamw.in>2015-03-11 13:59:30 +0100
commitb5f747cc60011b78fd97e6a116cf19dde6b6b6ab (patch)
tree410682906033d8e76e090881dc56c7a78bbe5f04
parentProperly disable GGL_TEXTURE_2D after using it in minuitwrp (diff)
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-rw-r--r--minuitwrp/graphics.c45
-rw-r--r--minuitwrp/minui.h2
2 files changed, 47 insertions, 0 deletions
diff --git a/minuitwrp/graphics.c b/minuitwrp/graphics.c
index cd3c8f497..10d74a7a7 100644
--- a/minuitwrp/graphics.c
+++ b/minuitwrp/graphics.c
@@ -591,6 +591,51 @@ void gr_fill(int x, int y, int w, int h)
gl->enable(gl, GGL_BLEND);
}
+void gr_line(int x0, int y0, int x1, int y1, int width)
+{
+ GGLContext *gl = gr_context;
+
+ if(gr_is_curr_clr_opaque)
+ gl->disable(gl, GGL_BLEND);
+
+ const int coords0[2] = { x0 << 4, y0 << 4 };
+ const int coords1[2] = { x1 << 4, y1 << 4 };
+ gl->linex(gl, coords0, coords1, width << 4);
+
+ if(gr_is_curr_clr_opaque)
+ gl->enable(gl, GGL_BLEND);
+}
+
+gr_surface gr_render_circle(int radius, unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+{
+ int rx, ry;
+ GGLSurface *surface;
+ const int diameter = radius*2 + 1;
+ const int radius_check = radius*radius + radius*0.8;
+ const uint32_t px = (a << 24) | (b << 16) | (g << 8) | r;
+ uint32_t *data;
+
+ surface = malloc(sizeof(GGLSurface));
+ memset(surface, 0, sizeof(GGLSurface));
+
+ data = malloc(diameter * diameter * 4);
+ memset(data, 0, diameter * diameter * 4);
+
+ surface->version = sizeof(surface);
+ surface->width = diameter;
+ surface->height = diameter;
+ surface->stride = diameter;
+ surface->data = (GGLubyte*)data;
+ surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
+
+ for(ry = -radius; ry <= radius; ++ry)
+ for(rx = -radius; rx <= radius; ++rx)
+ if(rx*rx+ry*ry <= radius_check)
+ *(data + diameter*(radius + ry) + (radius+rx)) = px;
+
+ return surface;
+}
+
void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
if (gr_context == NULL) {
return;
diff --git a/minuitwrp/minui.h b/minuitwrp/minui.h
index 8ef04445c..6033da728 100644
--- a/minuitwrp/minui.h
+++ b/minuitwrp/minui.h
@@ -39,6 +39,8 @@ void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a
void gr_clip(int x, int y, int w, int h);
void gr_noclip();
void gr_fill(int x, int y, int w, int h);
+void gr_line(int x0, int y0, int x1, int y1, int width);
+gr_surface gr_render_circle(int radius, unsigned char r, unsigned char g, unsigned char b, unsigned char a);
int gr_textEx(int x, int y, const char *s, void* font);
int gr_textExW(int x, int y, const char *s, void* font, int max_width);