#include "video/sdl/sdl_surface_data.hpp"
#include "video/sdl/sdl_texture.hpp"
#include "video/sdl/sdl_renderer.hpp"
+#include "video/sdl/sdl_painter.hpp"
SDLLightmap::SDLLightmap() :
renderer(static_cast<SDLRenderer*>(Renderer::instance())->get_sdl_renderer()),
void
SDLLightmap::draw_surface(const DrawingRequest& request)
{
- //FIXME: support parameters request.alpha, request.angle, request.blend
- const Surface* surface = (const Surface*) request.request_data;
- boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->get_texture());
-
- SDL_Rect dst_rect;
- dst_rect.x = request.pos.x;
- dst_rect.y = request.pos.y;
- dst_rect.w = sdltexture->get_image_width();
- dst_rect.h = sdltexture->get_image_height();
-
- SDL_SetTextureBlendMode(sdltexture->get_texture(), SDL_BLENDMODE_ADD);
- SDL_RenderCopy(renderer, sdltexture->get_texture(), NULL, &dst_rect);
+ SDLPainter::draw_surface(renderer, request);
}
void
SDLLightmap::draw_surface_part(const DrawingRequest& request)
{
- //FIXME: support parameters request.alpha, request.angle, request.blend
- const Surface* surface = (const Surface*) request.request_data;
- boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->get_texture());
-
- SDL_Rect dst_rect;
- dst_rect.x = request.pos.x;
- dst_rect.y = request.pos.y;
- dst_rect.w = sdltexture->get_image_width();
- dst_rect.h = sdltexture->get_image_height();
-
- SDL_SetTextureBlendMode(sdltexture->get_texture(), SDL_BLENDMODE_ADD);
- SDL_RenderCopy(renderer, sdltexture->get_texture(), NULL, &dst_rect);
+ SDLPainter::draw_surface_part(renderer, request);
}
void
SDLLightmap::draw_gradient(const DrawingRequest& request)
{
- log_info << "draw_gradient" << std::endl;
+ SDLPainter::draw_gradient(renderer, request);
}
void
SDLLightmap::draw_filled_rect(const DrawingRequest& request)
{
- log_info << "draw_filled_rect" << std::endl;
-
- const FillRectRequest* fillrectrequest
- = (FillRectRequest*) request.request_data;
-
- SDL_Rect rect;
- rect.x = request.pos.x;
- rect.y = request.pos.y;
- rect.w = fillrectrequest->size.x;
- rect.h = fillrectrequest->size.y;
-
- Uint8 r = static_cast<Uint8>(fillrectrequest->color.red * 255);
- Uint8 g = static_cast<Uint8>(fillrectrequest->color.green * 255);
- Uint8 b = static_cast<Uint8>(fillrectrequest->color.blue * 255);
- Uint8 a = static_cast<Uint8>(fillrectrequest->color.alpha * 255);
-
- log_info << fillrectrequest->color.red << " " << fillrectrequest->color.green << std::endl;
-
- if((rect.w != 0) && (rect.h != 0))
- {
- SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD);
- SDL_SetRenderDrawColor(renderer, r, g, b, a);
- SDL_RenderFillRect(renderer, &rect);
- }
+ SDLPainter::draw_filled_rect(renderer, request);
}
void
--- /dev/null
+// SuperTux
+// Copyright (C) 2014 Ingo Ruhnke <grumbel@gmail.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#include "video/sdl/sdl_painter.hpp"
+
+#include "SDL.h"
+
+#include "video/drawing_request.hpp"
+#include "video/sdl/sdl_texture.hpp"
+
+void
+SDLPainter::draw_surface(SDL_Renderer* renderer, const DrawingRequest& request)
+{
+ //FIXME: support parameters request.angle, request.blend
+ const Surface* surface = (const Surface*) request.request_data;
+ boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->get_texture());
+
+ SDL_Rect dst_rect;
+ dst_rect.x = request.pos.x;
+ dst_rect.y = request.pos.y;
+ dst_rect.w = sdltexture->get_image_width();
+ dst_rect.h = sdltexture->get_image_height();
+
+ Uint8 r = static_cast<Uint8>(request.color.red * 255);
+ Uint8 g = static_cast<Uint8>(request.color.green * 255);
+ Uint8 b = static_cast<Uint8>(request.color.blue * 255);
+ Uint8 a = static_cast<Uint8>(request.color.alpha * request.alpha * 255);
+ SDL_SetTextureColorMod(sdltexture->get_texture(), r, g, b);
+ SDL_SetTextureAlphaMod(sdltexture->get_texture(), a);
+
+ if (surface->get_flipx())
+ {
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
+ }
+ else
+ {
+ switch(request.drawing_effect)
+ {
+ case VERTICAL_FLIP:
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_VERTICAL);
+ break;
+
+ case HORIZONTAL_FLIP:
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
+ break;
+
+ default:
+ case NO_EFFECT:
+ SDL_RenderCopy(renderer, sdltexture->get_texture(), NULL, &dst_rect);
+ break;
+ }
+ }
+}
+
+void
+SDLPainter::draw_surface_part(SDL_Renderer* renderer, const DrawingRequest& request)
+{
+ //FIXME: support parameters request.angle, request.blend
+ const SurfacePartRequest* surface = (const SurfacePartRequest*) request.request_data;
+ const SurfacePartRequest* surfacepartrequest = (SurfacePartRequest*) request.request_data;
+
+ boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->surface->get_texture());
+
+ SDL_Rect src_rect;
+ src_rect.x = surfacepartrequest->source.x;
+ src_rect.y = surfacepartrequest->source.y;
+ src_rect.w = surfacepartrequest->size.x;
+ src_rect.h = surfacepartrequest->size.y;
+
+ SDL_Rect dst_rect;
+ dst_rect.x = request.pos.x;
+ dst_rect.y = request.pos.y;
+ dst_rect.w = surfacepartrequest->size.x;
+ dst_rect.h = surfacepartrequest->size.y;
+
+ Uint8 r = static_cast<Uint8>(request.color.red * 255);
+ Uint8 g = static_cast<Uint8>(request.color.green * 255);
+ Uint8 b = static_cast<Uint8>(request.color.blue * 255);
+ Uint8 a = static_cast<Uint8>(request.color.alpha * request.alpha * 255);
+ SDL_SetTextureColorMod(sdltexture->get_texture(), r, g, b);
+ SDL_SetTextureAlphaMod(sdltexture->get_texture(), a);
+
+ if (surface->surface->get_flipx())
+ {
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
+ }
+ else
+ {
+ switch(request.drawing_effect)
+ {
+ case VERTICAL_FLIP:
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_VERTICAL);
+ break;
+
+ case HORIZONTAL_FLIP:
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
+ break;
+
+ default:
+ case NO_EFFECT:
+ SDL_RenderCopy(renderer, sdltexture->get_texture(), &src_rect, &dst_rect);
+ break;
+ }
+ }
+}
+
+void
+SDLPainter::draw_gradient(SDL_Renderer* renderer, const DrawingRequest& request)
+{
+ const GradientRequest* gradientrequest
+ = (GradientRequest*) request.request_data;
+ const Color& top = gradientrequest->top;
+ const Color& bottom = gradientrequest->bottom;
+
+ SDL_Rect viewport;
+ SDL_RenderGetViewport(renderer, &viewport);
+
+ // calculate the maximum number of steps needed for the gradient
+ int n = static_cast<int>(std::max(std::max(fabsf(top.red - bottom.red),
+ fabsf(top.green - bottom.green)),
+ std::max(fabsf(top.blue - bottom.blue),
+ fabsf(top.alpha - bottom.alpha))) * 255);
+ for(int i = 0; i < n; ++i)
+ {
+ SDL_Rect rect;
+ rect.x = 0;
+ rect.y = viewport.h * i / n;
+ rect.w = viewport.w;
+ rect.h = (viewport.h * (i+1) / n) - rect.y;
+
+ float p = static_cast<float>(i+1) / static_cast<float>(n);
+ Uint8 r = static_cast<Uint8>(((1.0f - p) * top.red + p * bottom.red) * 255);
+ Uint8 g = static_cast<Uint8>(((1.0f - p) * top.green + p * bottom.green) * 255);
+ Uint8 b = static_cast<Uint8>(((1.0f - p) * top.blue + p * bottom.blue) * 255);
+ Uint8 a = static_cast<Uint8>(((1.0f - p) * top.alpha + p * bottom.alpha) * 255);
+
+ SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
+ SDL_SetRenderDrawColor(renderer, r, g, b, a);
+ SDL_RenderFillRect(renderer, &rect);
+ }
+}
+
+void
+SDLPainter::draw_filled_rect(SDL_Renderer* renderer, const DrawingRequest& request)
+{
+ const FillRectRequest* fillrectrequest
+ = (FillRectRequest*) request.request_data;
+
+ SDL_Rect rect;
+ rect.x = request.pos.x;
+ rect.y = request.pos.y;
+ rect.w = fillrectrequest->size.x;
+ rect.h = fillrectrequest->size.y;
+
+ Uint8 r = static_cast<Uint8>(fillrectrequest->color.red * 255);
+ Uint8 g = static_cast<Uint8>(fillrectrequest->color.green * 255);
+ Uint8 b = static_cast<Uint8>(fillrectrequest->color.blue * 255);
+ Uint8 a = static_cast<Uint8>(fillrectrequest->color.alpha * 255);
+
+ int radius = std::min(std::min(rect.h / 2, rect.w / 2),
+ static_cast<int>(fillrectrequest->radius));
+
+ if (radius)
+ {
+ int slices = radius;
+
+ // rounded top and bottom parts
+ std::vector<SDL_Rect> rects;
+ rects.reserve(2*slices + 1);
+ for(int i = 0; i < slices; ++i)
+ {
+ float p = (static_cast<float>(i) + 0.5f) / static_cast<float>(slices);
+ int xoff = radius - static_cast<int>(sqrtf(1.0f - p*p) * radius);
+
+ SDL_Rect tmp;
+ tmp.x = rect.x + xoff;
+ tmp.y = rect.y + (radius - i);
+ tmp.w = rect.w - 2*(xoff);
+ tmp.h = 1;
+ rects.push_back(tmp);
+
+ SDL_Rect tmp2;
+ tmp2.x = rect.x + xoff;
+ tmp2.y = rect.y + rect.h - radius + i;
+ tmp2.w = rect.w - 2*xoff;
+ tmp2.h = 1;
+
+ if (tmp2.y != tmp.y)
+ {
+ rects.push_back(tmp2);
+ }
+ }
+
+ if (2*radius < rect.h)
+ {
+ // center rectangle
+ SDL_Rect tmp;
+ tmp.x = rect.x;
+ tmp.y = rect.y + radius + 1;
+ tmp.w = rect.w;
+ tmp.h = rect.h - 2*radius - 1;
+ rects.push_back(tmp);
+ }
+
+ SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
+ SDL_SetRenderDrawColor(renderer, r, g, b, a);
+ SDL_RenderFillRects(renderer, &*rects.begin(), rects.size());
+ }
+ else
+ {
+ if((rect.w != 0) && (rect.h != 0))
+ {
+ SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
+ SDL_SetRenderDrawColor(renderer, r, g, b, a);
+ SDL_RenderFillRect(renderer, &rect);
+ }
+ }
+}
+
+void
+SDLPainter::draw_inverse_ellipse(SDL_Renderer* renderer, const DrawingRequest& request)
+{
+ const InverseEllipseRequest* ellipse = (InverseEllipseRequest*)request.request_data;
+
+ SDL_Rect viewport;
+ SDL_RenderGetViewport(renderer, &viewport);
+
+ float x = request.pos.x;
+ float w = ellipse->size.x;
+ float h = ellipse->size.y;
+
+ int top = request.pos.y - (h / 2);
+
+ const int max_slices = 256;
+ SDL_Rect rects[2*max_slices+2];
+ int slices = std::min(static_cast<int>(ellipse->size.y), max_slices);
+ for(int i = 0; i < slices; ++i)
+ {
+ float p = ((static_cast<float>(i) + 0.5f) / static_cast<float>(slices)) * 2.0f - 1.0f;
+ int xoff = static_cast<int>(sqrtf(1.0f - p*p) * w / 2);
+
+ SDL_Rect& left = rects[2*i+0];
+ SDL_Rect& right = rects[2*i+1];
+
+ left.x = 0;
+ left.y = top + (i * h / slices);
+ left.w = x - xoff;
+ left.h = (top + ((i+1) * h / slices)) - left.y;
+
+ right.x = x + xoff;
+ right.y = left.y;
+ right.w = viewport.w - right.x;
+ right.h = left.h;
+ }
+
+ SDL_Rect& top_rect = rects[2*slices+0];
+ SDL_Rect& bottom_rect = rects[2*slices+1];
+
+ top_rect.x = 0;
+ top_rect.y = 0;
+ top_rect.w = viewport.w;
+ top_rect.h = top;
+
+ bottom_rect.x = 0;
+ bottom_rect.y = top + h;
+ bottom_rect.w = viewport.w;
+ bottom_rect.h = viewport.h - bottom_rect.y;
+
+ Uint8 r = static_cast<Uint8>(ellipse->color.red * 255);
+ Uint8 g = static_cast<Uint8>(ellipse->color.green * 255);
+ Uint8 b = static_cast<Uint8>(ellipse->color.blue * 255);
+ Uint8 a = static_cast<Uint8>(ellipse->color.alpha * 255);
+
+ SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
+ SDL_SetRenderDrawColor(renderer, r, g, b, a);
+ SDL_RenderFillRects(renderer, rects, 2*slices+2);
+}
+
+/* EOF */
--- /dev/null
+// SuperTux
+// Copyright (C) 2014 Ingo Ruhnke <grumbel@gmail.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_VIDEO_SDL_PAINTER_HPP
+#define HEADER_SUPERTUX_VIDEO_SDL_PAINTER_HPP
+
+#include "SDL.h"
+#include "video/renderer.hpp"
+
+class SDLPainter
+{
+public:
+ static void draw_surface(SDL_Renderer* renderer, const DrawingRequest& request);
+ static void draw_surface_part(SDL_Renderer* renderer, const DrawingRequest& request);
+ static void draw_gradient(SDL_Renderer* renderer, const DrawingRequest& request);
+ static void draw_filled_rect(SDL_Renderer* renderer, const DrawingRequest& request);
+ static void draw_inverse_ellipse(SDL_Renderer* renderer, const DrawingRequest& request);
+
+private:
+ SDLPainter(const SDLPainter&);
+ SDLPainter& operator=(const SDLPainter&);
+};
+
+#endif
+
+/* EOF */
#include "video/drawing_request.hpp"
#include "video/sdl/sdl_surface_data.hpp"
#include "video/sdl/sdl_texture.hpp"
+#include "video/sdl/sdl_painter.hpp"
#include <iomanip>
#include <iostream>
void
SDLRenderer::draw_surface(const DrawingRequest& request)
{
- //FIXME: support parameters request.angle, request.blend
- const Surface* surface = (const Surface*) request.request_data;
- boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->get_texture());
-
- SDL_Rect dst_rect;
- dst_rect.x = request.pos.x;
- dst_rect.y = request.pos.y;
- dst_rect.w = sdltexture->get_image_width();
- dst_rect.h = sdltexture->get_image_height();
-
- Uint8 r = static_cast<Uint8>(request.color.red * 255);
- Uint8 g = static_cast<Uint8>(request.color.green * 255);
- Uint8 b = static_cast<Uint8>(request.color.blue * 255);
- Uint8 a = static_cast<Uint8>(request.color.alpha * request.alpha * 255);
- SDL_SetTextureColorMod(sdltexture->get_texture(), r, g, b);
- SDL_SetTextureAlphaMod(sdltexture->get_texture(), a);
-
- if (surface->get_flipx())
- {
- SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
- }
- else
- {
- switch(request.drawing_effect)
- {
- case VERTICAL_FLIP:
- SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_VERTICAL);
- break;
-
- case HORIZONTAL_FLIP:
- SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
- break;
-
- default:
- case NO_EFFECT:
- SDL_RenderCopy(renderer, sdltexture->get_texture(), NULL, &dst_rect);
- break;
- }
- }
+ SDLPainter::draw_surface(renderer, request);
}
void
SDLRenderer::draw_surface_part(const DrawingRequest& request)
{
- //FIXME: support parameters request.angle, request.blend
- const SurfacePartRequest* surface = (const SurfacePartRequest*) request.request_data;
- const SurfacePartRequest* surfacepartrequest = (SurfacePartRequest*) request.request_data;
-
- boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->surface->get_texture());
-
- SDL_Rect src_rect;
- src_rect.x = surfacepartrequest->source.x;
- src_rect.y = surfacepartrequest->source.y;
- src_rect.w = surfacepartrequest->size.x;
- src_rect.h = surfacepartrequest->size.y;
-
- SDL_Rect dst_rect;
- dst_rect.x = request.pos.x;
- dst_rect.y = request.pos.y;
- dst_rect.w = surfacepartrequest->size.x;
- dst_rect.h = surfacepartrequest->size.y;
-
- Uint8 r = static_cast<Uint8>(request.color.red * 255);
- Uint8 g = static_cast<Uint8>(request.color.green * 255);
- Uint8 b = static_cast<Uint8>(request.color.blue * 255);
- Uint8 a = static_cast<Uint8>(request.color.alpha * request.alpha * 255);
- SDL_SetTextureColorMod(sdltexture->get_texture(), r, g, b);
- SDL_SetTextureAlphaMod(sdltexture->get_texture(), a);
-
- if (surface->surface->get_flipx())
- {
- SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
- }
- else
- {
- switch(request.drawing_effect)
- {
- case VERTICAL_FLIP:
- SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_VERTICAL);
- break;
-
- case HORIZONTAL_FLIP:
- SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
- break;
-
- default:
- case NO_EFFECT:
- SDL_RenderCopy(renderer, sdltexture->get_texture(), &src_rect, &dst_rect);
- break;
- }
- }
+ SDLPainter::draw_surface_part(renderer, request);
}
void
SDLRenderer::draw_gradient(const DrawingRequest& request)
{
- const GradientRequest* gradientrequest
- = (GradientRequest*) request.request_data;
- const Color& top = gradientrequest->top;
- const Color& bottom = gradientrequest->bottom;
-
- int w;
- int h;
- SDL_GetWindowSize(window, &w, &h);
-
- // calculate the maximum number of steps needed for the gradient
- int n = static_cast<int>(std::max(std::max(fabsf(top.red - bottom.red),
- fabsf(top.green - bottom.green)),
- std::max(fabsf(top.blue - bottom.blue),
- fabsf(top.alpha - bottom.alpha))) * 255);
- for(int i = 0; i < n; ++i)
- {
- SDL_Rect rect;
- rect.x = 0;
- rect.y = h * i / n;
- rect.w = w;
- rect.h = (h * (i+1) / n) - rect.y;
-
- float p = static_cast<float>(i+1) / static_cast<float>(n);
- Uint8 r = static_cast<Uint8>(((1.0f - p) * top.red + p * bottom.red) * 255);
- Uint8 g = static_cast<Uint8>(((1.0f - p) * top.green + p * bottom.green) * 255);
- Uint8 b = static_cast<Uint8>(((1.0f - p) * top.blue + p * bottom.blue) * 255);
- Uint8 a = static_cast<Uint8>(((1.0f - p) * top.alpha + p * bottom.alpha) * 255);
-
- SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
- SDL_SetRenderDrawColor(renderer, r, g, b, a);
- SDL_RenderFillRect(renderer, &rect);
- }
+ SDLPainter::draw_gradient(renderer, request);
}
void
SDLRenderer::draw_filled_rect(const DrawingRequest& request)
{
- const FillRectRequest* fillrectrequest
- = (FillRectRequest*) request.request_data;
-
- SDL_Rect rect;
- rect.x = request.pos.x;
- rect.y = request.pos.y;
- rect.w = fillrectrequest->size.x;
- rect.h = fillrectrequest->size.y;
-
- Uint8 r = static_cast<Uint8>(fillrectrequest->color.red * 255);
- Uint8 g = static_cast<Uint8>(fillrectrequest->color.green * 255);
- Uint8 b = static_cast<Uint8>(fillrectrequest->color.blue * 255);
- Uint8 a = static_cast<Uint8>(fillrectrequest->color.alpha * 255);
-
- int radius = std::min(std::min(rect.h / 2, rect.w / 2),
- static_cast<int>(fillrectrequest->radius));
-
- if (radius)
- {
- int slices = radius;
-
- // rounded top and bottom parts
- std::vector<SDL_Rect> rects;
- rects.reserve(2*slices + 1);
- for(int i = 0; i < slices; ++i)
- {
- float p = (static_cast<float>(i) + 0.5f) / static_cast<float>(slices);
- int xoff = radius - static_cast<int>(sqrtf(1.0f - p*p) * radius);
-
- SDL_Rect tmp;
- tmp.x = rect.x + xoff;
- tmp.y = rect.y + (radius - i);
- tmp.w = rect.w - 2*(xoff);
- tmp.h = 1;
- rects.push_back(tmp);
-
- SDL_Rect tmp2;
- tmp2.x = rect.x + xoff;
- tmp2.y = rect.y + rect.h - radius + i;
- tmp2.w = rect.w - 2*xoff;
- tmp2.h = 1;
-
- if (tmp2.y != tmp.y)
- {
- rects.push_back(tmp2);
- }
- }
-
- if (2*radius < rect.h)
- {
- // center rectangle
- SDL_Rect tmp;
- tmp.x = rect.x;
- tmp.y = rect.y + radius + 1;
- tmp.w = rect.w;
- tmp.h = rect.h - 2*radius - 1;
- rects.push_back(tmp);
- }
-
- SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
- SDL_SetRenderDrawColor(renderer, r, g, b, a);
- SDL_RenderFillRects(renderer, &*rects.begin(), rects.size());
- }
- else
- {
- if((rect.w != 0) && (rect.h != 0))
- {
- SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
- SDL_SetRenderDrawColor(renderer, r, g, b, a);
- SDL_RenderFillRect(renderer, &rect);
- }
- }
+ SDLPainter::draw_filled_rect(renderer, request);
}
void
SDLRenderer::draw_inverse_ellipse(const DrawingRequest& request)
{
- const InverseEllipseRequest* ellipse = (InverseEllipseRequest*)request.request_data;
-
- int window_w;
- int window_h;
- SDL_GetWindowSize(window, &window_w, &window_h);
-
- float x = request.pos.x;
- float w = ellipse->size.x;
- float h = ellipse->size.y;
-
- int top = request.pos.y - (h / 2);
-
- const int max_slices = 256;
- SDL_Rect rects[2*max_slices+2];
- int slices = std::min(static_cast<int>(ellipse->size.y), max_slices);
- for(int i = 0; i < slices; ++i)
- {
- float p = ((static_cast<float>(i) + 0.5f) / static_cast<float>(slices)) * 2.0f - 1.0f;
- int xoff = static_cast<int>(sqrtf(1.0f - p*p) * w / 2);
-
- SDL_Rect& left = rects[2*i+0];
- SDL_Rect& right = rects[2*i+1];
-
- left.x = 0;
- left.y = top + (i * h / slices);
- left.w = x - xoff;
- left.h = (top + ((i+1) * h / slices)) - left.y;
-
- right.x = x + xoff;
- right.y = left.y;
- right.w = window_w - right.x;
- right.h = left.h;
- }
-
- SDL_Rect& top_rect = rects[2*slices+0];
- SDL_Rect& bottom_rect = rects[2*slices+1];
-
- top_rect.x = 0;
- top_rect.y = 0;
- top_rect.w = window_w;
- top_rect.h = top;
-
- bottom_rect.x = 0;
- bottom_rect.y = top + h;
- bottom_rect.w = window_w;
- bottom_rect.h = window_h - bottom_rect.y;
-
- Uint8 r = static_cast<Uint8>(ellipse->color.red * 255);
- Uint8 g = static_cast<Uint8>(ellipse->color.green * 255);
- Uint8 b = static_cast<Uint8>(ellipse->color.blue * 255);
- Uint8 a = static_cast<Uint8>(ellipse->color.alpha * 255);
-
- SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
- SDL_SetRenderDrawColor(renderer, r, g, b, a);
- SDL_RenderFillRects(renderer, rects, 2*slices+2);
+ SDLPainter::draw_inverse_ellipse(renderer, request);
}
void
projects / supertux.git / commitdiff