#include "video/sdl/sdl_renderer.hpp"
+#include "util/log.hpp"
#include "video/drawing_request.hpp"
#include "video/sdl/sdl_surface_data.hpp"
#include "video/sdl/sdl_texture.hpp"
#include <sstream>
#include <stdexcept>
#include "SDL2/SDL_video.h"
-//#include "SDL/SDL.h"
-//#include "SDL/SDL_opengl.h"
+SDLRenderer::SDLRenderer() :
+ window(),
+ renderer()
+{
+ Renderer::instance_ = this;
-namespace {
+ log_info << "creating SDLRenderer" << std::endl;
+ int width = g_config->window_size.width;
+ int height = g_config->window_size.height;
-SDL_Surface *apply_alpha(SDL_Surface *src, float alpha_factor)
-{
- // FIXME: This is really slow
- assert(src->format->Amask);
- int alpha = (int) (alpha_factor * 256);
- SDL_Surface *dst = SDL_CreateRGBSurface(src->flags, src->w, src->h, src->format->BitsPerPixel, src->format->Rmask, src->format->Gmask, src->format->Bmask, src->format->Amask);
- int bpp = dst->format->BytesPerPixel;
- if(SDL_MUSTLOCK(src))
- {
- SDL_LockSurface(src);
- }
- if(SDL_MUSTLOCK(dst))
+ int flags = 0;
+ if(g_config->use_fullscreen)
{
- SDL_LockSurface(dst);
+ flags |= SDL_WINDOW_FULLSCREEN;
+ width = g_config->fullscreen_size.width;
+ height = g_config->fullscreen_size.height;
}
- for(int y = 0;y < dst->h;y++) {
- for(int x = 0;x < dst->w;x++) {
- Uint8 *srcpixel = (Uint8 *) src->pixels + y * src->pitch + x * bpp;
- Uint8 *dstpixel = (Uint8 *) dst->pixels + y * dst->pitch + x * bpp;
- Uint32 mapped = 0;
- switch(bpp) {
- case 1:
- mapped = *srcpixel;
- break;
- case 2:
- mapped = *(Uint16 *)srcpixel;
- break;
- case 3:
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- mapped |= srcpixel[0] << 16;
- mapped |= srcpixel[1] << 8;
- mapped |= srcpixel[2] << 0;
-#else
- mapped |= srcpixel[0] << 0;
- mapped |= srcpixel[1] << 8;
- mapped |= srcpixel[2] << 16;
-#endif
- break;
- case 4:
- mapped = *(Uint32 *)srcpixel;
- break;
- }
- Uint8 r, g, b, a;
- SDL_GetRGBA(mapped, src->format, &r, &g, &b, &a);
- mapped = SDL_MapRGBA(dst->format, r, g, b, (a * alpha) >> 8);
- switch(bpp) {
- case 1:
- *dstpixel = mapped;
- break;
- case 2:
- *(Uint16 *)dstpixel = mapped;
- break;
- case 3:
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- dstpixel[0] = (mapped >> 16) & 0xff;
- dstpixel[1] = (mapped >> 8) & 0xff;
- dstpixel[2] = (mapped >> 0) & 0xff;
-#else
- dstpixel[0] = (mapped >> 0) & 0xff;
- dstpixel[1] = (mapped >> 8) & 0xff;
- dstpixel[2] = (mapped >> 16) & 0xff;
-#endif
- break;
- case 4:
- *(Uint32 *)dstpixel = mapped;
- break;
- }
- }
- }
- if(SDL_MUSTLOCK(dst))
- {
- SDL_UnlockSurface(dst);
- }
- if(SDL_MUSTLOCK(src))
- {
- SDL_UnlockSurface(src);
- }
- return dst;
-}
-} // namespace
+ int ret = SDL_CreateWindowAndRenderer(width, height, flags,
+ &window, &renderer);
-SDLRenderer::SDLRenderer() :
- screen(),
- numerator(),
- denominator()
-{
- Renderer::instance_ = this;
-
- // Cannot currently find a way to do this with SDL2
- //const SDL_VideoInfo *info = SDL_GetVideoInfo();
- //log_info << "Hardware surfaces are " << (info->hw_available ? "" : "not ") << "available." << std::endl;
- //log_info << "Hardware to hardware blits are " << (info->blit_hw ? "" : "not ") << "accelerated." << std::endl;
- //log_info << "Hardware to hardware blits with colorkey are " << (info->blit_hw_CC ? "" : "not ") << "accelerated." << std::endl;
- //log_info << "Hardware to hardware blits with alpha are " << (info->blit_hw_A ? "" : "not ") << "accelerated." << std::endl;
- //log_info << "Software to hardware blits are " << (info->blit_sw ? "" : "not ") << "accelerated." << std::endl;
- //log_info << "Software to hardware blits with colorkey are " << (info->blit_sw_CC ? "" : "not ") << "accelerated." << std::endl;
- //log_info << "Software to hardware blits with alpha are " << (info->blit_sw_A ? "" : "not ") << "accelerated." << std::endl;
- //log_info << "Color fills are " << (info->blit_fill ? "" : "not ") << "accelerated." << std::endl;
-
- // int flags = SDL_SWSURFACE | SDL_ANYFORMAT;
- // if(g_config->use_fullscreen)
- // flags |= SDL_FULLSCREEN;
-
- int width = 800; //FIXME: config->screenwidth;
- int height = 600; //FIXME: config->screenheight;
-
- SDL_Init(SDL_INIT_VIDEO); // Initialize SDL2
-
- window = SDL_CreateWindow(
- "SuperTux",
- SDL_WINDOWPOS_UNDEFINED,
- SDL_WINDOWPOS_UNDEFINED,
- width, height,
- SDL_WINDOW_OPENGL );
- SDL_GLContext glcontext = SDL_GL_CreateContext(window);
- renderer = SDL_CreateRenderer(window, -1, 0);
-
-
- if(window == 0) {
+ if(ret != 0) {
std::stringstream msg;
msg << "Couldn't set video mode (" << width << "x" << height
<< "): " << SDL_GetError();
throw std::runtime_error(msg.str());
}
- numerator = 1;
- denominator = 1;
- /* FIXME:
- float xfactor = (float) config->screenwidth / SCREEN_WIDTH;
- float yfactor = (float) config->screenheight / SCREEN_HEIGHT;
- if(xfactor < yfactor)
- {
- numerator = config->screenwidth;
- denominator = SCREEN_WIDTH;
- }
- else
- {
- numerator = config->screenheight;
- denominator = SCREEN_HEIGHT;
- }
- */
+ SDL_RendererInfo info;
+ if (SDL_GetRendererInfo(renderer, &info) != 0)
+ {
+ log_warning << "Couldn't get RendererInfo: " << SDL_GetError() << std::endl;
+ }
+ else
+ {
+ log_info << "SDL_Renderer: " << info.name << std::endl;
+ log_info << "SDL_RendererFlags: " << std::endl;
+ if (info.flags & SDL_RENDERER_SOFTWARE) log_info << " SDL_RENDERER_SOFTWARE" << std::endl;
+ if (info.flags & SDL_RENDERER_ACCELERATED) log_info << " SDL_RENDERER_ACCELERATED" << std::endl;
+ if (info.flags & SDL_RENDERER_PRESENTVSYNC) log_info << " SDL_RENDERER_PRESENTVSYNC" << std::endl;
+ if (info.flags & SDL_RENDERER_TARGETTEXTURE) log_info << " SDL_RENDERER_TARGETTEXTURE" << std::endl;
+ log_info << "Texture Formats: " << std::endl;
+ for(size_t i = 0; i < info.num_texture_formats; ++i)
+ {
+ log_info << " " << SDL_GetPixelFormatName(info.texture_formats[i]) << std::endl;
+ }
+ log_info << "Max Texture Width: " << info.max_texture_width << std::endl;
+ log_info << "Max Texture Height: " << info.max_texture_height << std::endl;
+ }
+
if(texture_manager == 0)
texture_manager = new TextureManager();
}
SDLRenderer::~SDLRenderer()
{
+ SDL_DestroyRenderer(renderer);
+ SDL_DestroyWindow(window);
}
void
SDLRenderer::draw_surface(const DrawingRequest& request)
{
- //FIXME: support parameters request.alpha, request.angle, request.blend
+ //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());
- SDLSurfaceData *surface_data = reinterpret_cast<SDLSurfaceData *>(surface->get_surface_data());
-
- DrawingEffect effect = request.drawing_effect;
- if (surface->get_flipx()) effect = HORIZONTAL_FLIP;
- SDL_Surface *transform = sdltexture->get_transform(request.color, effect);
-
- // get and check SDL_Surface
- if (transform == 0) {
- std::cerr << "Warning: Tried to draw NULL surface, skipped draw" << std::endl;
- return;
- }
-
- SDL_Rect *src_rect = surface_data->get_src_rect(effect);
SDL_Rect dst_rect;
- dst_rect.x = (int) request.pos.x * numerator / denominator;
- dst_rect.y = (int) request.pos.y * numerator / denominator;
-
- Uint8 alpha = 0;
- if(request.alpha != 1.0)
+ 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())
{
- if(!transform->format->Amask)
- {
- if(transform->flags & SDL_SRCALPHA)
- {
- alpha = transform->format->alpha;
- }
- else
- {
- alpha = 255;
- }
- SDL_SetSurfaceAlphaMod(transform, (Uint8) (request.alpha * alpha));
- }
- /*else
- {
- transform = apply_alpha(transform, request.alpha);
- }*/
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), NULL, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
}
-
- SDL_BlitSurface(transform, src_rect, screen, &dst_rect);
-
- if(request.alpha != 1.0)
+ else
{
- if(!transform->format->Amask)
+ switch(request.drawing_effect)
{
- if(alpha == 255)
- {
- SDL_SetSurfaceAlphaMod(transform, 0);
- }
- else
- {
- SDL_SetSurfaceAlphaMod(transform, alpha);
- }
+ 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;
}
- /*else
- {
- SDL_FreeSurface(transform);
- }*/
}
}
void
SDLRenderer::draw_surface_part(const DrawingRequest& request)
{
- const SurfacePartRequest* surfacepartrequest
- = (SurfacePartRequest*) request.request_data;
-
- const Surface* surface = surfacepartrequest->surface;
- boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->get_texture());
-
- DrawingEffect effect = request.drawing_effect;
- if (surface->get_flipx()) effect = HORIZONTAL_FLIP;
-
- SDL_Surface *transform = sdltexture->get_transform(request.color, effect);
+ //FIXME: support parameters request.angle, request.blend
+ const SurfacePartRequest* surface = (const SurfacePartRequest*) request.request_data;
+ const SurfacePartRequest* surfacepartrequest = (SurfacePartRequest*) request.request_data;
- // get and check SDL_Surface
- if (transform == 0) {
- std::cerr << "Warning: Tried to draw NULL surface, skipped draw" << std::endl;
- return;
- }
-
- int ox, oy;
- if (effect == HORIZONTAL_FLIP)
- {
- ox = sdltexture->get_texture_width() - surface->get_x() - (int) surfacepartrequest->size.x;
- }
- else
- {
- ox = surface->get_x();
- }
- if (effect == VERTICAL_FLIP)
- {
- oy = sdltexture->get_texture_height() - surface->get_y() - (int) surfacepartrequest->size.y;
- }
- else
- {
- oy = surface->get_y();
- }
+ boost::shared_ptr<SDLTexture> sdltexture = boost::dynamic_pointer_cast<SDLTexture>(surface->surface->get_texture());
SDL_Rect src_rect;
- src_rect.x = (ox + (int) surfacepartrequest->source.x) * numerator / denominator;
- src_rect.y = (oy + (int) surfacepartrequest->source.y) * numerator / denominator;
- src_rect.w = (int) surfacepartrequest->size.x * numerator / denominator;
- src_rect.h = (int) surfacepartrequest->size.y * numerator / denominator;
+ 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 = (int) request.pos.x * numerator / denominator;
- dst_rect.y = (int) request.pos.y * numerator / denominator;
-
- Uint8 alpha = 0;
- if(request.alpha != 1.0)
+ 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())
{
- if(!transform->format->Amask)
- {
- if(transform->flags & SDL_SRCALPHA)
- {
- alpha = transform->format->alpha;
- }
- else
- {
- alpha = 255;
- }
- SDL_SetSurfaceAlphaMod(transform, (Uint8) (request.alpha * alpha));
- }
- /*else
- {
- transform = apply_alpha(transform, request.alpha);
- }*/
+ SDL_RenderCopyEx(renderer, sdltexture->get_texture(), &src_rect, &dst_rect, 0, NULL, SDL_FLIP_HORIZONTAL);
}
-
- SDL_BlitSurface(transform, &src_rect, screen, &dst_rect);
-
- if(request.alpha != 1.0)
+ else
{
- if(!transform->format->Amask)
+ switch(request.drawing_effect)
{
- if(alpha == 255)
- {
- SDL_SetSurfaceAlphaMod(transform, 0);
- }
- else
- {
- SDL_SetSurfaceAlphaMod(transform, alpha);
- }
+ 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;
}
- /*else
- {
- SDL_FreeSurface(transform);
- }*/
}
}
const Color& top = gradientrequest->top;
const Color& bottom = gradientrequest->bottom;
- for(int y = 0;y < screen->h;++y)
- {
- Uint8 r = (Uint8)((((float)(top.red-bottom.red)/(0-screen->h)) * y + top.red) * 255);
- Uint8 g = (Uint8)((((float)(top.green-bottom.green)/(0-screen->h)) * y + top.green) * 255);
- Uint8 b = (Uint8)((((float)(top.blue-bottom.blue)/(0-screen->h)) * y + top.blue) * 255);
- Uint8 a = (Uint8)((((float)(top.alpha-bottom.alpha)/(0-screen->h)) * y + top.alpha) * 255);
- Uint32 color = SDL_MapRGB(screen->format, r, g, b);
+ 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 = y;
- rect.w = screen->w;
- rect.h = 1;
-
- if(a == SDL_ALPHA_OPAQUE) {
- SDL_FillRect(screen, &rect, color);
- } else if(a != SDL_ALPHA_TRANSPARENT) {
- SDL_Surface *temp = SDL_CreateRGBSurface(screen->flags, rect.w, rect.h, screen->format->BitsPerPixel, screen->format->Rmask, screen->format->Gmask, screen->format->Bmask, screen->format->Amask);
-
- SDL_FillRect(temp, 0, color);
- SDL_SetSurfaceAlphaMod(temp, a);
- SDL_BlitSurface(temp, 0, screen, &rect);
- SDL_FreeSurface(temp);
- }
+ 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);
}
}
= (FillRectRequest*) request.request_data;
SDL_Rect rect;
- rect.x = (Sint16)request.pos.x * screen->w / SCREEN_WIDTH;
- rect.y = (Sint16)request.pos.y * screen->h / SCREEN_HEIGHT;
- rect.w = (Uint16)fillrectrequest->size.x * screen->w / SCREEN_WIDTH;
- rect.h = (Uint16)fillrectrequest->size.y * screen->h / SCREEN_HEIGHT;
- if((rect.w == 0) || (rect.h == 0)) {
- return;
- }
+ 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);
- Uint32 color = SDL_MapRGB(screen->format, r, g, b);
- if(a == SDL_ALPHA_OPAQUE) {
- SDL_FillRect(screen, &rect, color);
- } else if(a != SDL_ALPHA_TRANSPARENT) {
- SDL_Surface *temp = SDL_CreateRGBSurface(screen->flags, rect.w, rect.h, screen->format->BitsPerPixel, screen->format->Rmask, screen->format->Gmask, screen->format->Bmask, screen->format->Amask);
-
- SDL_FillRect(temp, 0, color);
- SDL_SetSurfaceAlphaMod(temp, a);
- SDL_BlitSurface(temp, 0, screen, &rect);
- SDL_FreeSurface(temp);
+
+ 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
-SDLRenderer::draw_inverse_ellipse(const DrawingRequest&)
+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);
}
void
SDLRenderer::do_take_screenshot()
{
// [Christoph] TODO: Yes, this method also takes care of the actual disk I/O. Split it?
-
- SDL_Surface *screen = SDL_GetWindowSurface(window);
-
- // save screenshot
- static const std::string writeDir = PHYSFS_getWriteDir();
- static const std::string dirSep = PHYSFS_getDirSeparator();
- static const std::string baseName = "screenshot";
- static const std::string fileExt = ".bmp";
- std::string fullFilename;
- for (int num = 0; num < 1000; num++) {
- std::ostringstream oss;
- oss << baseName;
- oss << std::setw(3) << std::setfill('0') << num;
- oss << fileExt;
- std::string fileName = oss.str();
- fullFilename = writeDir + dirSep + fileName;
- if (!PHYSFS_exists(fileName.c_str())) {
- SDL_SaveBMP(screen, fullFilename.c_str());
- log_debug << "Wrote screenshot to \"" << fullFilename << "\"" << std::endl;
- return;
+ int width;
+ int height;
+ if (SDL_GetRendererOutputSize(renderer, &width, &height) != 0)
+ {
+ log_warning << "SDL_GetRenderOutputSize failed: " << SDL_GetError() << std::endl;
+ }
+ else
+ {
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ Uint32 rmask = 0xff000000;
+ Uint32 gmask = 0x00ff0000;
+ Uint32 bmask = 0x0000ff00;
+ Uint32 amask = 0x000000ff;
+#else
+ Uint32 rmask = 0x000000ff;
+ Uint32 gmask = 0x0000ff00;
+ Uint32 bmask = 0x00ff0000;
+ Uint32 amask = 0xff000000;
+#endif
+ SDL_Surface* surface = SDL_CreateRGBSurface(0, width, height, 32,
+ rmask, gmask, bmask, amask);
+ if (!surface)
+ {
+ log_warning << "SDL_CreateRGBSurface failed: " << SDL_GetError() << std::endl;
+ }
+ else
+ {
+ int ret = SDL_RenderReadPixels(renderer, NULL,
+ SDL_PIXELFORMAT_ABGR8888,
+ surface->pixels,
+ surface->pitch);
+ if (ret != 0)
+ {
+ log_warning << "SDL_RenderReadPixels failed: " << SDL_GetError() << std::endl;
+ }
+ else
+ {
+ // save screenshot
+ static const std::string writeDir = PHYSFS_getWriteDir();
+ static const std::string dirSep = PHYSFS_getDirSeparator();
+ static const std::string baseName = "screenshot";
+ static const std::string fileExt = ".bmp";
+ std::string fullFilename;
+ for (int num = 0; num < 1000; num++) {
+ std::ostringstream oss;
+ oss << baseName;
+ oss << std::setw(3) << std::setfill('0') << num;
+ oss << fileExt;
+ std::string fileName = oss.str();
+ fullFilename = writeDir + dirSep + fileName;
+ if (!PHYSFS_exists(fileName.c_str())) {
+ SDL_SaveBMP(surface, fullFilename.c_str());
+ log_debug << "Wrote screenshot to \"" << fullFilename << "\"" << std::endl;
+ return;
+ }
+ }
+ log_warning << "Did not save screenshot, because all files up to \"" << fullFilename << "\" already existed" << std::endl;
+ }
}
}
- log_warning << "Did not save screenshot, because all files up to \"" << fullFilename << "\" already existed" << std::endl;
}
void
}
+void
+SDLRenderer::set_gamma(float gamma)
+{
+ Uint16 ramp[256];
+ SDL_CalculateGammaRamp(gamma, ramp);
+ SDL_SetWindowGammaRamp(window, ramp, ramp, ramp);
+}
+
/* EOF */
projects / supertux.git / blobdiff