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authorЕгор Львов <workregor@mail.ru>2023-03-27 11:25:27 +0300
committerЕгор Львов <workregor@mail.ru>2023-03-27 11:25:27 +0300
commit3c0a3b8413ee58a3e5678075c862e95f7c8395c6 (patch)
tree8ca9eba9378f921636788fee7664c2bd63bc40ff /test2.c
Начальный коммит
Diffstat (limited to 'test2.c')
-rw-r--r--test2.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/test2.c b/test2.c
new file mode 100644
index 0000000..13703c2
--- /dev/null
+++ b/test2.c
@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+#include <SDL2/SDL_timer.h>
+
+Uint32 mixSDLColors(Uint32 back, Uint32 front, SDL_PixelFormat *fmt, float alpha)
+{
+ Uint32 ch1, ch2, sum = 0;
+ // mask = fmt->Rmask;
+ ch1 = back & fmt->Rmask;
+ ch2 = front & fmt->Rmask;
+ // sum += ch2;
+ sum += (ch1 + ch2) >> 1;
+ printf("%i", sum);
+
+ ch1 = back & fmt->Gmask;
+ ch2 = front & fmt->Gmask;
+ // sum += ch2;
+ sum += (ch1 + ch2) >> 1;
+ printf("%i", sum);
+
+ ch1 = back & fmt->Bmask;
+ ch2 = front & fmt->Bmask;
+ // sum += ch2;
+ sum += (ch1 + ch2) >> 1;
+ printf("%i", sum);
+
+ return sum;
+}
+
+int main(){
+ SDL_Window *window = NULL;
+ SDL_Surface *s = NULL;
+ // SDL_Renderer *renderer = NULL;
+
+ SDL_Init(SDL_INIT_VIDEO);
+
+ window = SDL_CreateWindow("test",
+ SDL_WINDOWPOS_UNDEFINED,
+ SDL_WINDOWPOS_UNDEFINED,
+ 960,
+ 512,
+ 0);
+ s = SDL_GetWindowSurface(window);
+
+ Uint32 a = 0; // 0x000000
+ Uint32 b = pow(2, 24) - 1; // 0xffffff
+ printf("0x808080 = %i", mixSDLColors(a, b, s->format, 0));
+
+ // renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+ // SDL_Texture *sky = NULL;
+ // sky = IMG_LoadTexture(renderer, "/home/pupkich/Gameproj/textures/toxicclouds512.bmp");
+ // SDL_RenderCopy(renderer, sky, NULL, NULL);
+ // SDL_RenderPresent(renderer);
+ // SDL_DestroyTexture(sky);
+ // SDL_Delay(200);
+} \ No newline at end of file