From c562ed4b99c0c077bde9be376911932b6c93a07e Mon Sep 17 00:00:00 2001 From: Christian Beier Date: Thu, 26 Jul 2018 11:33:11 +0200 Subject: [PATCH] SDLvncviewer: remove obsolete video scaling code --- client_examples/SDLvncviewer.c | 129 --------------------------------- 1 file changed, 129 deletions(-) diff --git a/client_examples/SDLvncviewer.c b/client_examples/SDLvncviewer.c index ff0543c..da07622 100644 --- a/client_examples/SDLvncviewer.c +++ b/client_examples/SDLvncviewer.c @@ -17,8 +17,6 @@ struct { int sdl; int rfb; } buttonMapping[]={ static int enableResizable = 1, viewOnly, listenLoop, buttonMask; int sdlFlags; -static int realWidth, realHeight, bytesPerPixel, rowStride; -static char *sdlPixels; SDL_Texture *sdlTexture; SDL_Renderer *sdlRenderer; SDL_Window *sdlWindow; @@ -47,10 +45,6 @@ static rfbBool resize(rfbClient* client) { rfbClientSetClientData(client, SDL_Init, sdl); client->width = sdl->pitch / (depth / 8); - if (sdlPixels) { - free(client->frameBuffer); - sdlPixels = NULL; - } client->frameBuffer=sdl->pixels; client->format.bitsPerPixel=depth; @@ -192,78 +186,7 @@ static rfbKeySym SDL_key2rfbKeySym(SDL_KeyboardEvent* e) { return k; } -static uint32_t get(rfbClient *cl, int x, int y) -{ - switch (bytesPerPixel) { - case 1: return ((uint8_t *)cl->frameBuffer)[x + y * cl->width]; - case 2: return ((uint16_t *)cl->frameBuffer)[x + y * cl->width]; - case 4: return ((uint32_t *)cl->frameBuffer)[x + y * cl->width]; - default: - rfbClientErr("Unknown bytes/pixel: %d", bytesPerPixel); - exit(1); - } -} - -static void put(int x, int y, uint32_t v) -{ - switch (bytesPerPixel) { - case 1: ((uint8_t *)sdlPixels)[x + y * rowStride] = v; break; - case 2: ((uint16_t *)sdlPixels)[x + y * rowStride] = v; break; - case 4: ((uint32_t *)sdlPixels)[x + y * rowStride] = v; break; - default: - rfbClientErr("Unknown bytes/pixel: %d", bytesPerPixel); - exit(1); - } -} - -static void resizeRectangleToReal(rfbClient *cl, int x, int y, int w, int h) -{ - int i0 = x * realWidth / cl->width; - int i1 = ((x + w) * realWidth - 1) / cl->width + 1; - int j0 = y * realHeight / cl->height; - int j1 = ((y + h) * realHeight - 1) / cl->height + 1; - int i, j; - - for (j = j0; j < j1; j++) - for (i = i0; i < i1; i++) { - int x0 = i * cl->width / realWidth; - int x1 = ((i + 1) * cl->width - 1) / realWidth + 1; - int y0 = j * cl->height / realHeight; - int y1 = ((j + 1) * cl->height - 1) / realHeight + 1; - uint32_t r = 0, g = 0, b = 0; - - for (y = y0; y < y1; y++) - for (x = x0; x < x1; x++) { - uint32_t v = get(cl, x, y); -#define REDSHIFT cl->format.redShift -#define REDMAX cl->format.redMax -#define GREENSHIFT cl->format.greenShift -#define GREENMAX cl->format.greenMax -#define BLUESHIFT cl->format.blueShift -#define BLUEMAX cl->format.blueMax - r += (v >> REDSHIFT) & REDMAX; - g += (v >> GREENSHIFT) & GREENMAX; - b += (v >> BLUESHIFT) & BLUEMAX; - } - r /= (x1 - x0) * (y1 - y0); - g /= (x1 - x0) * (y1 - y0); - b /= (x1 - x0) * (y1 - y0); - - put(i, j, (r << REDSHIFT) | (g << GREENSHIFT) | - (b << BLUESHIFT)); - } -} - static void update(rfbClient* cl,int x,int y,int w,int h) { - if (sdlPixels) { - resizeRectangleToReal(cl, x, y, w, h); - w = ((x + w) * realWidth - 1) / cl->width + 1; - h = ((y + h) * realHeight - 1) / cl->height + 1; - x = x * realWidth / cl->width; - y = y * realHeight / cl->height; - w -= x; - h -= y; - } SDL_Surface *sdl = rfbClientGetClientData(cl, SDL_Init); /* update texture from surface->pixels */ SDL_Rect r = {x,y,w,h}; @@ -277,49 +200,6 @@ static void update(rfbClient* cl,int x,int y,int w,int h) { SDL_RenderPresent(sdlRenderer); } -static void setRealDimension(rfbClient *client, int w, int h) -{ - SDL_Surface* sdl; - /*FIXME - if (w < 0) { - const SDL_VideoInfo *info = SDL_GetVideoInfo(); - w = info->current_h; - h = info->current_w; - } - */ - if (w == realWidth && h == realHeight) - return; - - if (!sdlPixels) { - int size; - - sdlPixels = (char *)client->frameBuffer; - rowStride = client->width; - - bytesPerPixel = client->format.bitsPerPixel / 8; - size = client->width * bytesPerPixel * client->height; - client->frameBuffer = malloc(size); - if (!client->frameBuffer) { - rfbClientErr("Could not allocate %d bytes", size); - exit(1); - } - memcpy(client->frameBuffer, sdlPixels, size); - } - - sdl = rfbClientGetClientData(client, SDL_Init); - if (sdl->w != w || sdl->h != h) { - int depth = sdl->format->BitsPerPixel; - //FIXMEsdl = SDL_SetVideoMode(w, h, depth, sdlFlags); - rfbClientSetClientData(client, SDL_Init, sdl); - sdlPixels = sdl->pixels; - rowStride = sdl->pitch / (depth / 8); - } - - realWidth = w; - realHeight = h; - update(client, 0, 0, client->width, client->height); -} - static void kbd_leds(rfbClient* cl, int value, int pad) { /* note: pad is for future expansion 0=unused */ fprintf(stderr,"Led State= 0x%02X\n", value); @@ -460,10 +340,6 @@ static rfbBool handleSDLEvent(rfbClient *cl, SDL_Event *e) break; } } - if (sdlPixels) { - x = x * cl->width / realWidth; - y = y * cl->height / realHeight; - } SendPointerEvent(cl, x, y, buttonMask); buttonMask &= ~(rfbButton4Mask | rfbButton5Mask); break; @@ -493,11 +369,6 @@ static rfbBool handleSDLEvent(rfbClient *cl, SDL_Event *e) rfbClientCleanup(cl); exit(0); } - /*FIXME - case SDL_VIDEORESIZE: - setRealDimension(cl, e->resize.w, e->resize.h); - break; - */ default: rfbClientLog("ignore SDL event: 0x%x\n", e->type); }