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merge io into image

This commit is contained in:
Martin Fouilleul 2023-05-11 18:31:20 +02:00
parent bfc81fd062
commit 33dd2214a8
1 changed files with 43 additions and 2 deletions
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45
samples/pong/src/main.c
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@ -33,6 +33,12 @@ bool rightDown = false;
mg_canvas canvas;
mg_surface surface;
#define TEST_IMAGE 1
#ifdef TEST_IMAGE
mg_image image;
#endif
mg_surface mg_surface_main(void);
void OnInit(void)
@ -41,13 +47,44 @@ void OnInit(void)
surface = mg_surface_main();
canvas = mg_canvas_create();
file_handle file = file_open(STR8("/test_write.txt") , IO_OPEN_CREATE | IO_OPEN_WRITE);
#ifdef TEST_IMAGE
// create an image with a checkerboard pattern
u8 pixels[11*11*4];
for(int i=0; i<11*11/2; i++)
{
pixels[8*i] = 0;
pixels[8*i+1] = 0;
pixels[8*i+2] = 0;
pixels[8*i+3] = 255;
pixels[8*i+4] = 255;
pixels[8*i+5] = 255;
pixels[8*i+6] = 255;
pixels[8*i+7] = 255;
}
image = mg_image_create_from_rgba8(surface, 11, 11, pixels);
/*TODO Once we have file io and stb_image:
file_handle file = file_open(STR8("test.png"), FILE_OPEN_READ);
u64 size = file_size(file);
u8* data = mem_arena_alloc_array(mem_scratch(), u8, size);
file_read(file, size, data);
file_close(file);
image = mg_image_create_from_data(surface, size, data); // --> that will call stbi_load_from_memory(), see milepost/src/graphics_common.c
mem_arena_clear(mem_scratch());
*/
#endif // TEST_IMAGE
//NOTE: testing file io
file_handle file = file_open(STR8("/test_write.txt"), IO_OPEN_CREATE | IO_OPEN_WRITE);
str8 string = STR8("Hello, file!\n");
file_write(file, string.len, string.ptr);
file_close(file);
file = file_open(STR8("/dir1/test_read.txt") , IO_OPEN_READ);
file = file_open(STR8("/dir1/test_read.txt"), IO_OPEN_READ);
u64 size = file_size(file);
char* buffer = mem_arena_alloc(mem_scratch(), size);
file_read(file, size, buffer);
@ -172,8 +209,12 @@ void OnFrameRefresh(void)
mg_set_color(paddleColor);
mg_rectangle_fill(paddle.x, paddle.y, paddle.w, paddle.h);
#ifdef TEST_IMAGE
mg_image_draw(image, ball);
#else
mg_set_color(ballColor);
mg_circle_fill(ball.x+ball.w/2, ball.y + ball.w/2, ball.w/2.);
#endif
mg_matrix_pop();