Mercurial > hg > dmlib
view vptest.c @ 16:d9251dd496ce
Add new scaled blit template parameters in order to implement global alpha.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Fri, 28 Sep 2012 14:47:54 +0300 |
parents | eb0072860fb0 |
children | 6b0ba6d062bb |
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#include "dmlib.h" #include "dmargs.h" #include "dmvecmat.h" #include "dmres.h" #include "dmimage.h" #include <math.h> #define DM_COLORS (256) char *optFontFile = "font.ttf", *optBitmapFilename = "map.png"; BOOL optBenchmark = FALSE; int optVFlags = SDL_SWSURFACE | SDL_HWPALETTE; int optScrWidth = 640, optScrHeight = 480, optFontSize = 20, optScrDepth = 32; int optBenchmarkLen = 20; DMOptArg optList[] = { { 0, '?', "help", "Show this help", OPT_NONE }, { 2, 'v', "verbose", "Be more verbose", OPT_NONE }, { 3, 'f', "full", "Fullscreen", OPT_NONE }, { 4, 'h', "hw", "Use SDL hardware surface", OPT_NONE }, { 5, 's', "size", "Initial window size/resolution -s 640x480", OPT_ARGREQ }, { 6, 'd', "depth", "Color depth of mode/window in bits (8/15/16/32)", OPT_ARGREQ }, { 7, 'b', "bench", "Run in benchmark mode", OPT_NONE }, }; const int optListN = sizeof(optList) / sizeof(optList[0]); void argShowHelp() { dmArgsPrintHelp(stdout, optList, optListN); } BOOL argHandleOpt(const int optN, char *optArg, char *currArg) { switch (optN) { case 0: argShowHelp(); exit(0); break; case 2: dmVerbosity++; break; case 3: optVFlags |= SDL_FULLSCREEN; break; case 6: if (optArg) optScrDepth = atoi(optArg); break; case 5: { int w, h; if (sscanf(optArg, "%dx%d", &w, &h) == 2) { if (w < 320 || h < 200 || w > 3200 || h > 3200) { dmError("Invalid width or height: %d x %d\n", w, h); return FALSE; } optScrWidth = w; optScrHeight = h; } else { dmError("Invalid size argument '%s'.\n", optArg); return FALSE; } } break; case 7: optBenchmark = TRUE; break; default: dmError("Unknown option '%s'.\n", currArg); return FALSE; } return TRUE; } void DM_MakePalette(SDL_Surface *scr) { SDL_Color pal[DM_COLORS]; int n; for (n = 0; n < 256; n++) { pal[n].r = n; pal[n].g = n; pal[n].b = n; } SDL_SetColors(scr, pal, 0, DM_COLORS); } void DM_PrintRect(FILE *f, SDL_Rect *r) { fprintf(f, "SDL_Rect <%d, %d : %d, %d>\n", r->x, r->y, r->w, r->h); } BOOL DM_InitializeVideo(SDL_Surface **screen) { *screen = SDL_SetVideoMode(optScrWidth, optScrHeight, optScrDepth, optVFlags | SDL_RESIZABLE); if (*screen == NULL) { dmError("Can't SDL_SetVideoMode(): %s\n", SDL_GetError()); return FALSE; } #if 0 SDL_Rect r; r.x = 50; r.y = 50; r.w = 320; r.h = 200; DM_PrintRect(stderr, &r); SDL_SetClipRect(*screen, &r); DM_PrintRect(stderr, &r); DM_PrintRect(stderr, &((*screen)->clip_rect)); #endif return TRUE; } int main(int argc, char *argv[]) { SDL_Surface *screen = NULL, *bmap = NULL; TTF_Font *font = NULL; SDL_Color fontcol={255,155,155,0}; SDL_Event event; int mouseX, mouseY, bx, by; BOOL initSDL = FALSE, initTTF = FALSE, exitFlag; dmVerbosity = 5; if (!dmArgsProcess(argc, argv, optList, optListN, argHandleOpt, NULL, FALSE)) exit(1); if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0) { dmError("Could not initialize SDL: %s\n", SDL_GetError()); goto error_exit; } initSDL = TRUE; if (TTF_Init() < 0) { dmError("Could not initialize FreeType/TTF: %s\n", SDL_GetError()); goto error_exit; } initTTF = TRUE; font = TTF_OpenFont(optFontFile, optFontSize); if (font == NULL) { dmError("Could not load TTF font '%s' (%d): %s\n", optFontFile, optFontSize, SDL_GetError()); goto error_exit; } TTF_SetFontStyle(font, TTF_STYLE_NORMAL); DMResource *res = dmf_create_stdio(optBitmapFilename); if (res == NULL) { dmError("Could not open resource file '%s'.\n", optBitmapFilename); goto error_exit; } bmap = dmLoadImage(res); dmf_close(res); if (bmap == NULL) { dmError("Could not load image file '%s'.\n", optBitmapFilename); goto error_exit; } if (optBenchmark) { screen = SDL_CreateRGBSurface(SDL_SWSURFACE, optScrWidth, optScrHeight, optScrDepth, 0, 0, 0, 0); if (screen == NULL) { dmError("Could not create screen surface.\n"); goto error_exit; } dmMsg(0, "Benchmark mode, not opening window.\n"); } else { if (!DM_InitializeVideo(&screen)) goto error_exit; SDL_WM_SetCaption("Halleluja", "DMT"); } int numFrames = 0, startTime = SDL_GetTicks(), endTime = 0; exitFlag = FALSE; if (optBenchmark) dmMsg(0, "Starting benchmark, running for %d seconds.\n", optBenchmarkLen); while (!exitFlag) { if (!optBenchmark) { while (SDL_PollEvent(&event)) switch (event.type) { case SDL_KEYDOWN: switch (event.key.keysym.sym) { case SDLK_ESCAPE: exitFlag = TRUE; break; default: break; } break; case SDL_VIDEORESIZE: optScrWidth = event.resize.w; optScrHeight = event.resize.h; if (!DM_InitializeVideo(&screen)) goto error_exit; break; case SDL_VIDEOEXPOSE: break; case SDL_QUIT: exit(0); } SDL_GetMouseState(&mouseX, &mouseY); bx = 300 - ((DMFloat) mouseX * 500.0f ) / (DMFloat) optScrWidth; by = 300 - ((DMFloat) mouseY * 500.0f ) / (DMFloat) optScrHeight; } else { bx = 0; by = 0; } if (!optBenchmark && SDL_MUSTLOCK(screen) != 0 && SDL_LockSurface(screen) != 0) { dmError("Can't lock surface.\n"); goto error_exit; } dmClearSurface(screen, 0); float f = SDL_GetTicks() / 150.0f, qw = (float) 32.0 * (1.0 + sin(f) * 0.1), qh = (float) 32.0 * (1.0 + sin(f) * 0.1), qw2 = (float) 132.0 * (1.0 + sin(f) * 0.1), qh2 = (float) 132.0 * (1.0 + sin(f) * 0.1); dmScaledBlitSurfaceAny(bmap, bx-qw2, by-qh2, bmap->w+qw2, bmap->h+qh2, screen, // DMD_NONE DMD_SATURATE ); dmScaledBlitSurfaceAny(bmap, bx*2-qw, by*2-qh, bmap->w+qw, bmap->h+qh, screen, // DMD_NONE DMD_TRANSPARENT // DMD_SATURATE ); // fprintf(stderr, "%d -> %d : %d\n", bmap->format->BitsPerPixel, screen->format->BitsPerPixel, rt); // exitFlag=TRUE; if (!optBenchmark) { dmDrawTTFText(screen, font, fontcol, 0, 0, "%3.1f FPS", (float) (numFrames * 1000.0f) / (float) (endTime - startTime)); if (SDL_MUSTLOCK(screen) != 0) SDL_UnlockSurface(screen); SDL_Flip(screen); SDL_Delay(25); } endTime = SDL_GetTicks(); numFrames++; if (optBenchmark) { if (endTime - startTime > optBenchmarkLen * 1000) exitFlag = TRUE; } } // Print benchmark results dmMsg(0, "%d frames in %d ms, fps = %1.3f\n", numFrames, endTime - startTime, (float) (numFrames * 1000.0f) / (float) (endTime - startTime)); error_exit: dmMsg(0, "Shutting down dmlib.\n"); if (screen) SDL_FreeSurface(screen); if (bmap) SDL_FreeSurface(bmap); if (font) TTF_CloseFont(font); if (initSDL) SDL_Quit(); if (initTTF) TTF_Quit(); return 0; }