X-Git-Url: https://eleni.mutantstargoat.com/git/?p=winnie;a=blobdiff_plain;f=src%2Fsdl%2Fgfx.cc;h=9b708e006e9d87d665c8b0bad4af171b14b7c3eb;hp=84ab69033a6c0f187dcf504d255cdcf65d657b31;hb=5984d5479693fd7519674a5bc40ebf804f8d0a46;hpb=ed66dbc4e6c017dad675a83dbcd7619b1b5d1e7d diff --git a/src/sdl/gfx.cc b/src/sdl/gfx.cc index 84ab690..9b708e0 100644 --- a/src/sdl/gfx.cc +++ b/src/sdl/gfx.cc @@ -4,14 +4,15 @@ #include #include "gfx.h" -static SDL_Surface *fbsurf; +struct Graphics { + SDL_Surface *fbsurf; + Rect screen_rect; + Rect clipping_rect; + int color_depth; // bits per pixel + Pixmap *pixmap; +}; -static Rect screen_rect = {0, 0, 1024, 768}; -static Rect clipping_rect; - -static int color_depth = 32; // bits per pixel - -static Pixmap *pixmap; +static Graphics *gfx; bool init_gfx() { @@ -20,70 +21,112 @@ bool init_gfx() return false; } - if(!(fbsurf = SDL_SetVideoMode(screen_rect.width, screen_rect.height, color_depth, 0))) { + if(!(gfx = (Graphics*)malloc(sizeof *gfx))) { + return false; + } + + Rect scr_rect = {0, 0, 1024, 768}; + gfx->screen_rect = scr_rect; + gfx->color_depth = 32; + + if(!(gfx->fbsurf = SDL_SetVideoMode(gfx->screen_rect.width, gfx->screen_rect.height, gfx->color_depth, 0))) { fprintf(stderr, "failed to set video mode\n"); return false; } SDL_ShowCursor(0); - pixmap = new Pixmap; - pixmap->width = screen_rect.width; - pixmap->height = screen_rect.height; - pixmap->pixels = (unsigned char*)fbsurf->pixels; + gfx->pixmap = new Pixmap; + gfx->pixmap->width = gfx->screen_rect.width; + gfx->pixmap->height = gfx->screen_rect.height; + gfx->pixmap->pixels = (unsigned char*)gfx->fbsurf->pixels; - set_clipping_rect(screen_rect); + set_clipping_rect(gfx->screen_rect); return true; } void destroy_gfx() { - pixmap->pixels = 0; - delete pixmap; + gfx->pixmap->pixels = 0; + delete gfx->pixmap; + free(gfx); SDL_Quit(); } unsigned char *get_framebuffer() { - return (unsigned char*)fbsurf->pixels; + return (unsigned char*)gfx->fbsurf->pixels; } Pixmap *get_framebuffer_pixmap() { - return pixmap; + return gfx->pixmap; } Rect get_screen_size() { - return screen_rect; + return gfx->screen_rect; } int get_color_depth() { - return color_depth; + return gfx->color_depth; } /*void set_clipping_rect(const Rect &rect) { - clipping_rect = rect_intersection(rect, screen_rect); + gfx->clipping_rect = rect_intersection(rect, gfx->screen_rect); SDL_Rect sdl_rect; - sdl_rect.x = clipping_rect.x; - sdl_rect.y = clipping_rect.y; - sdl_rect.w = clipping_rect.width; - sdl_rect.h = clipping_rect.height; + sdl_rect.x = gfx->clipping_rect.x; + sdl_rect.y = gfx->clipping_rect.y; + sdl_rect.w = gfx->clipping_recvoid fill_rect(const Rect &rect, int r, int g, int b) +{ + Rect drect = rect; + Rect screen_rect = get_screen_size(); + + if(drect.x < clipping_rect.x) { + drect.width -= clipping_rect.x - drect.x; + drect.x = clipping_rect.x; + } + + if(drect.y < clipping_rect.y) { + drect.height -= clipping_rect.y - drect.y; + drect.y = clipping_rect.y; + } + + if(drect.x + drect.width >= clipping_rect.x + clipping_rect.width) { + drect.width = clipping_rect.width + clipping_rect.x - drect.x; + } - SDL_SetClipRect(fbsurf, &sdl_rect); + if(drect.y + drect.height >= clipping_rect.y + clipping_rect.height) { + drect.height = clipping_rect.height + clipping_rect.y - drect.y; + } + + unsigned char *fb = get_framebuffer() + (drect.x + screen_rect.width * drect.y) * 4; + for(int i=0; iclipping_rect.height; + + SDL_SetClipRect(gfx->fbsurf, &sdl_rect); } const Rect &get_clipping_rect() { - return clipping_rect; + return gfx->clipping_rect; } void clear_screen(int r, int g, int b) { - fill_rect(screen_rect, r, g, b); + fill_rect(gfx->screen_rect, r, g, b); } void fill_rect(const Rect &rect, int r, int g, int b) @@ -96,16 +139,27 @@ void fill_rect(const Rect &rect, int r, int g, int b) sdl_rect.w = rect.width; sdl_rect.h = rect.height; - SDL_FillRect(fbsurf, &sdl_rect, color); + SDL_FillRect(gfx->fbsurf, &sdl_rect, color); }*/ +void set_clipping_rect(const Rect &rect) +{ + gfx->clipping_rect = rect_intersection(rect, get_screen_size()); +} + +const Rect &get_clipping_rect() +{ + return gfx->clipping_rect; +} + + void set_cursor_visibility(bool visible) { } void gfx_update() { - SDL_UpdateRect(fbsurf, 0, 0, 0, 0); + SDL_UpdateRect(gfx->fbsurf, 0, 0, 0, 0); } void wait_vsync()