- void
- Renderer::do_take_screenshot()
- {
- // [Christoph] TODO: Yes, this method also takes care of the actual disk I/O. Split it?
-
- SDL_Surface *shot_surf;
- // create surface to hold screenshot
- #if SDL_BYTEORDER == SDL_BIG_ENDIAN
- shot_surf = SDL_CreateRGBSurface(SDL_SWSURFACE, SCREEN_WIDTH, SCREEN_HEIGHT, 24, 0x00FF0000, 0x0000FF00, 0x000000FF, 0);
- #else
- shot_surf = SDL_CreateRGBSurface(SDL_SWSURFACE, SCREEN_WIDTH, SCREEN_HEIGHT, 24, 0x000000FF, 0x0000FF00, 0x00FF0000, 0);
- #endif
- if (!shot_surf) {
- log_warning << "Could not create RGB Surface to contain screenshot" << std::endl;
- return;
+void
+Renderer::draw_gradient(const DrawingRequest& request)
+{
+ const GradientRequest* gradientrequest
+ = (GradientRequest*) request.request_data;
+ const Color& top = gradientrequest->top;
+ const Color& bottom = gradientrequest->bottom;
+
+ glDisable(GL_TEXTURE_2D);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ float vertices[] = {
+ 0, 0,
+ SCREEN_WIDTH, 0,
+ SCREEN_WIDTH, SCREEN_HEIGHT,
+ 0, SCREEN_HEIGHT
+ };
+ glVertexPointer(2, GL_FLOAT, 0, vertices);
+
+ float colors[] = {
+ top.red, top.green, top.blue, top.alpha,
+ top.red, top.green, top.blue, top.alpha,
+ bottom.red, bottom.green, bottom.blue, bottom.alpha,
+ bottom.red, bottom.green, bottom.blue, bottom.alpha,
+ };
+ glColorPointer(4, GL_FLOAT, 0, colors);
+
+ glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+ glDisableClientState(GL_COLOR_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ glEnable(GL_TEXTURE_2D);
+ glColor4f(1, 1, 1, 1);
+}
+
+void
+Renderer::draw_filled_rect(const DrawingRequest& request)
+{
+ const FillRectRequest* fillrectrequest
+ = (FillRectRequest*) request.request_data;
+
+ glDisable(GL_TEXTURE_2D);
+ glColor4f(fillrectrequest->color.red, fillrectrequest->color.green,
+ fillrectrequest->color.blue, fillrectrequest->color.alpha);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+
+ if (fillrectrequest->radius != 0.0f)
+ {
+ // draw round rect
+ // Keep radius in the limits, so that we get a circle instead of
+ // just graphic junk
+ float radius = std::min(fillrectrequest->radius,
+ std::min(fillrectrequest->size.x/2,
+ fillrectrequest->size.y/2));
+
+ // inner rectangle
+ Rect irect(request.pos.x + radius,
+ request.pos.y + radius,
+ request.pos.x + fillrectrequest->size.x - radius,
+ request.pos.y + fillrectrequest->size.y - radius);
+
+
+ int n = 8;
+ int p = 0;
+ float vertices[(n+1) * 4 * 2];
+
+ for(int i = 0; i <= n; ++i)
+ {
+ float x = sinf(i * (M_PI/2) / n) * radius;
+ float y = cosf(i * (M_PI/2) / n) * radius;
+
+ vertices[p++] = irect.get_left() - x;
+ vertices[p++] = irect.get_top() - y;
+
+ vertices[p++] = irect.get_right() + x;
+ vertices[p++] = irect.get_top() - y;
+ }
+
+ for(int i = 0; i <= n; ++i)
+ {
+ float x = cosf(i * (M_PI/2) / n) * radius;
+ float y = sinf(i * (M_PI/2) / n) * radius;
+
+ vertices[p++] = irect.get_left() - x;
+ vertices[p++] = irect.get_bottom() + y;
+
+ vertices[p++] = irect.get_right() + x;
+ vertices[p++] = irect.get_bottom() + y;
+ }
+
+ glVertexPointer(2, GL_FLOAT, 0, vertices);
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, sizeof(vertices)/sizeof(float)/2);
+ }
+ else
+ {
+ float x = request.pos.x;
+ float y = request.pos.y;
+ float w = fillrectrequest->size.x;
+ float h = fillrectrequest->size.y;
+
+ float vertices[] = {
+ x, y,
+ x+w, y,
+ x+w, y+h,
+ x, y+h
+ };
+ glVertexPointer(2, GL_FLOAT, 0, vertices);
+
+ glDrawArrays(GL_TRIANGLE_FAN, 0, 4);