90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
#include <gint/display.h>
|
|
#include <fxengine/bitmap.h>
|
|
#include <gint/std/string.h>
|
|
#include <gint/std/stdlib.h>
|
|
|
|
bitmap_rich* bitmap_new_rich(uint32_t size_px_x, uint32_t size_px_y, uint32_t* color, bool copy_color, uint32_t *layout, bool copy_layout)
|
|
{
|
|
bitmap_rich* bmp = malloc(sizeof(bitmap_rich));
|
|
if (!bmp)
|
|
return 0;
|
|
|
|
bmp->size_px_x = size_px_x;
|
|
bmp->size_px_y = size_px_y;
|
|
|
|
bmp->size_o_y = 1 + (size_px_x - 1)/(8*sizeof(uint32_t));
|
|
|
|
bmp->color_dynamic = copy_color;
|
|
bmp->layout_dynamic = copy_layout;
|
|
|
|
uint32_t size_octets = size_px_y * bmp->size_o_y * sizeof(uint32_t);
|
|
|
|
if (copy_color)
|
|
{
|
|
bmp->color = malloc(size_octets);
|
|
if (!bmp->color)
|
|
{
|
|
free(bmp);
|
|
return 0;
|
|
}
|
|
memcpy(bmp->color, color, size_octets);
|
|
}
|
|
else
|
|
bmp->color = color;
|
|
|
|
if (copy_layout && layout)
|
|
{
|
|
bmp->layout=malloc(size_octets);
|
|
if (!bmp->layout)
|
|
{
|
|
|
|
free(bmp);
|
|
if (copy_color)
|
|
free(bmp->color);
|
|
return 0;
|
|
}
|
|
memcpy(bmp->layout, layout, size_octets);
|
|
}
|
|
else
|
|
bmp->layout = layout;
|
|
|
|
return bmp;
|
|
}
|
|
|
|
void bitmap_delete_rich(bitmap_rich* bmp)
|
|
{
|
|
if (!bmp)
|
|
return;
|
|
|
|
if (bmp->layout_dynamic && bmp->layout)
|
|
free(bmp->layout);
|
|
|
|
if (bmp->color)
|
|
free(bmp->color);
|
|
|
|
free(bmp);
|
|
}
|
|
|
|
uint8_t bitmap_get_pixel_r(const bitmap_rich * bmp, uint32_t x, uint32_t y)
|
|
{
|
|
if (x >= bmp->size_px_x || y >= bmp->size_px_y)
|
|
return 0;
|
|
|
|
const uint32_t indice = y * bmp->size_o_y + (x / 32);
|
|
|
|
const uint32_t numero_bit = 31 - (x %32);
|
|
|
|
if (bmp->layout)
|
|
return (((bmp->layout[indice] & (1 << numero_bit)) >> numero_bit) + ((bmp->color[indice] & (1 << numero_bit)) >> numero_bit));
|
|
else
|
|
return (0b10 + ((bmp->color[indice] & (1 << numero_bit)) >> numero_bit));
|
|
}
|
|
|
|
|
|
void bitmap_display_pixel_r(const bitmap_rich * bmp, uint32_t bmp_x, uint32_t bmp_y, uint32_t x, uint32_t y)
|
|
{
|
|
uint8_t color = bitmap_get_pixel_r(bmp, bmp_x, bmp_y);
|
|
if (color)
|
|
dpixel(x, y, 3 * (color % 2));
|
|
}
|