#include "texture_manager.hpp"
#include "obstack/obstackpp.hpp"
+namespace
+{
+ 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))
+ {
+ SDL_LockSurface(dst);
+ }
+ 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 SDL
{
Renderer::Renderer()
{
+ ::Renderer::instance_ = this;
+
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;
int flags = SDL_SWSURFACE | SDL_ANYFORMAT;
if(config->use_fullscreen)
flags |= SDL_FULLSCREEN;
- int width = config->screenwidth;
- int height = config->screenheight;
+
+ int width = 800; //FIXME: config->screenwidth;
+ int height = 600; //FIXME: config->screenheight;
screen = SDL_SetVideoMode(width, height, 0, flags);
if(screen == 0) {
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->screenheight;
denominator = SCREEN_HEIGHT;
}
-
+ */
if(texture_manager == 0)
texture_manager = new TextureManager();
}
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)
+ {
+ if(!transform->format->Amask)
+ {
+ if(transform->flags & SDL_SRCALPHA)
+ {
+ alpha = transform->format->alpha;
+ }
+ else
+ {
+ alpha = 255;
+ }
+ SDL_SetAlpha(transform, SDL_SRCALPHA, (Uint8) (request.alpha * alpha));
+ }
+ /*else
+ {
+ transform = apply_alpha(transform, request.alpha);
+ }*/
+ }
+
SDL_BlitSurface(transform, src_rect, screen, &dst_rect);
+
+ if(request.alpha != 1.0)
+ {
+ if(!transform->format->Amask)
+ {
+ if(alpha == 255)
+ {
+ SDL_SetAlpha(transform, SDL_RLEACCEL, 0);
+ }
+ else
+ {
+ SDL_SetAlpha(transform, SDL_SRCALPHA | SDL_RLEACCEL, alpha);
+ }
+ }
+ /*else
+ {
+ SDL_FreeSurface(transform);
+ }*/
+ }
}
void
DrawingEffect effect = request.drawing_effect;
if (surface->get_flipx()) effect = HORIZONTAL_FLIP;
- SDL_Surface *transform = sdltexture->get_transform(Color(1.0, 1.0, 1.0), effect);
+ 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;
- }
+ }
int ox, oy;
if (effect == HORIZONTAL_FLIP)
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)
+ {
+ if(!transform->format->Amask)
+ {
+ if(transform->flags & SDL_SRCALPHA)
+ {
+ alpha = transform->format->alpha;
+ }
+ else
+ {
+ alpha = 255;
+ }
+ SDL_SetAlpha(transform, SDL_SRCALPHA, (Uint8) (request.alpha * alpha));
+ }
+ /*else
+ {
+ transform = apply_alpha(transform, request.alpha);
+ }*/
+ }
+
SDL_BlitSurface(transform, &src_rect, screen, &dst_rect);
+
+ if(request.alpha != 1.0)
+ {
+ if(!transform->format->Amask)
+ {
+ if(alpha == 255)
+ {
+ SDL_SetAlpha(transform, SDL_RLEACCEL, 0);
+ }
+ else
+ {
+ SDL_SetAlpha(transform, SDL_SRCALPHA | SDL_RLEACCEL, alpha);
+ }
+ }
+ /*else
+ {
+ SDL_FreeSurface(transform);
+ }*/
+ }
}
void
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_SetAlpha(temp, SDL_SRCALPHA, a);
+ SDL_SetAlpha(temp, SDL_SRCALPHA | SDL_RLEACCEL, a);
SDL_BlitSurface(temp, 0, screen, &rect);
SDL_FreeSurface(temp);
}
}
void
- Renderer::draw_text(const DrawingRequest& request)
- {
- const TextRequest* textrequest = (TextRequest*) request.request_data;
-
- textrequest->font->draw(this, textrequest->text, request.pos,
- textrequest->alignment, request.drawing_effect, request.alpha);
- }
-
- void
Renderer::draw_filled_rect(const DrawingRequest& request)
{
const FillRectRequest* fillrectrequest
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_SetAlpha(temp, SDL_SRCALPHA, a);
+ SDL_SetAlpha(temp, SDL_SRCALPHA | SDL_RLEACCEL, a);
SDL_BlitSurface(temp, 0, screen, &rect);
SDL_FreeSurface(temp);
}
}
+ void
+ Renderer::draw_inverse_ellipse(const DrawingRequest&)
+ {
+ }
+
void
Renderer::do_take_screenshot()
{
{
SDL_Flip(screen);
}
+
+ void
+ Renderer::resize(int, int)
+ {
+
+ }
}
projects / supertux.git / blobdiff