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fixing weird color bug with mlx_get_image_pixel

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kbz_8
2024-02-24 03:57:59 +01:00
parent b53b36e07a
commit 784156c395
4 changed files with 19 additions and 9 deletions
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2
example/main.c
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@@ -6,7 +6,7 @@
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/04 17:55:21 by maldavid #+# #+# */
/* Updated: 2024/01/26 11:59:34 by maldavid ### ########.fr */
/* Updated: 2024/02/24 01:07:56 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */

10
src/core/bridge.cpp
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@@ -6,7 +6,7 @@
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/04 17:35:20 by maldavid #+# #+# */
/* Updated: 2024/01/19 05:35:38 by maldavid ### ########.fr */
/* Updated: 2024/02/23 22:37:24 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
@@ -120,7 +120,13 @@ extern "C"
int mlx_get_image_pixel(void* mlx, void* img, int x, int y)
{
MLX_CHECK_APPLICATION_POINTER(mlx);
return static_cast<mlx::core::Application*>(mlx)->getTexturePixel(img, x, y);
int color = static_cast<mlx::core::Application*>(mlx)->getTexturePixel(img, x, y);
unsigned char color_bits[4];
color_bits[0] = (color & 0x000000FF);
color_bits[1] = (color & 0x0000FF00) >> 8;
color_bits[2] = (color & 0x00FF0000) >> 16;
color_bits[3] = (color & 0xFF000000) >> 24;
return *reinterpret_cast<int*>(color_bits);
}
void mlx_set_image_pixel(void* mlx, void* img, int x, int y, int color)

8
src/platform/inputs.cpp
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@@ -6,7 +6,7 @@
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/05 16:30:19 by maldavid #+# #+# */
/* Updated: 2024/01/16 07:59:15 by maldavid ### ########.fr */
/* Updated: 2024/02/23 22:27:30 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
@@ -123,19 +123,19 @@ namespace mlx
case SDL_WINDOWEVENT_FOCUS_GAINED:
{
if(win_hook.hook)
win_hook.hook(4, win_hook.param);
win_hook.hook(5, win_hook.param);
break;
}
case SDL_WINDOWEVENT_LEAVE:
{
if(win_hook.hook)
win_hook.hook(5, win_hook.param);
win_hook.hook(6, win_hook.param);
break;
}
case SDL_WINDOWEVENT_FOCUS_LOST:
{
if(win_hook.hook)
win_hook.hook(4, win_hook.param);
win_hook.hook(7, win_hook.param);
break;
}

8
src/renderer/images/texture.cpp
View File

@@ -6,7 +6,7 @@
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/31 18:03:35 by maldavid #+# #+# */
/* Updated: 2024/01/18 10:18:22 by maldavid ### ########.fr */
/* Updated: 2024/02/24 03:51:59 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
@@ -98,7 +98,11 @@ namespace mlx
if(_map == nullptr)
openCPUmap();
uint32_t color = _cpu_map[(y * getWidth()) + x];
return (color);
uint8_t* bytes = reinterpret_cast<uint8_t*>(&color);
uint8_t tmp = bytes[0];
bytes[0] = bytes[2];
bytes[2] = tmp;
return *reinterpret_cast<int*>(bytes);
}
void Texture::openCPUmap()