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add some funny drawing test

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This commit is contained in:
Paolo 2025-03-24 17:42:56 +01:00
parent 7a0538b2ea
commit 842389ff05
1 changed files with 43 additions and 0 deletions
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43
test.c
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@ -22,6 +22,7 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#if defined(_WIN32) || defined(__CYGWIN__)
#include <windows.h>
@ -31,6 +32,13 @@
#define SLEEP(ms) usleep(ms * 1000)
#endif
// Function to map float [0,1] to RGB
static uint32_t floatToRGB(float input) {
if (input < 0.0f) input = 0.0f;
if (input > 1.0f) input = 1.0f;
return (uint32_t)(input * 0xFFFFFF);
}
vinci *g;
window *w1, *w2;
char active_windows = 0;
@ -43,18 +51,53 @@ static void on_close(window *w) {
static void on_mouse_press (window *w, int32_t x, int32_t y, uint32_t state) {
printf("on_mouse_press %p %d %d %u \n", (void*)w, x, y, state);
uint32_t side = 50;
uint32_t *data = (uint32_t*) malloc(side * side * 4);
uint32_t p = 0;
for (uint32_t i = 0; i < side; i++)
for (uint32_t j = 0; j < side; j++, p++)
data[p] = 0xff1122;
window_draw(w, (unsigned char*)data, 0, 0, side, side, x - side / 2, y - side / 2, side, side);
free(data);
}
static void on_mouse_release (window *w, int32_t x, int32_t y, uint32_t state) {
printf("on_mouse_release %p %d %d %u \n", (void*)w, x, y, state);
uint32_t side = 20;
uint32_t *data = (uint32_t*) malloc(side * side * 4);
uint32_t p = 0;
for (uint32_t i = 0; i < side; i++)
for (uint32_t j = 0; j < side; j++, p++)
data[p] = 0x1122ff;
window_draw(w, (unsigned char*)data, 0, 0, side, side, x - side / 2, y - side / 2, side, side);
free(data);
}
static void on_mouse_move (window *w, int32_t x, int32_t y, uint32_t state) {
printf("on_mouse_move %p %d %d %u \n", (void*)w, x, y, state);
uint32_t side = 8;
uint32_t *data = (uint32_t*) malloc(side * side * 4);
uint32_t p = 0;
for (uint32_t i = 0; i < side; i++)
for (uint32_t j = 0; j < side; j++, p++)
data[p] = 0x11ff22;
window_draw(w, (unsigned char*)data, 0, 0, side, side, x - side / 2, y - side / 2, side, side);
free(data);
}
static void on_window_resize (window *w, int32_t width, int32_t height) {
printf("on_window_resize %p %d %d \n", (void*) w, width, height);
uint32_t color = floatToRGB(width > height ? (float) height / (float) width : (float) width / (float) height);
uint32_t *data = (uint32_t*) malloc(width * height * 4);
uint32_t p = 0;
for (int32_t i = 0; i < width; i++)
for (int32_t j = 0; j < height; j++, p++)
data[p] = color;
window_draw(w, (unsigned char*)data, 0, 0, width, height, 0, 0, width, height);
free(data);
}
static void tick(void) {