mirror of
https://github.com/glfw/glfw.git
synced 2024-11-10 00:51:47 +00:00
Add revert button to gamma ramp test
This commit is contained in:
parent
3169179de1
commit
1a250234ea
@ -38,6 +38,7 @@
|
||||
#define NK_INCLUDE_DEFAULT_ALLOCATOR
|
||||
#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
|
||||
#define NK_INCLUDE_STANDARD_VARARGS
|
||||
#define NK_BUTTON_TRIGGER_ON_RELEASE
|
||||
#include <nuklear.h>
|
||||
|
||||
#define NK_GLFW_GL2_IMPLEMENTATION
|
||||
@ -85,6 +86,7 @@ int main(int argc, char** argv)
|
||||
{
|
||||
GLFWmonitor* monitor = NULL;
|
||||
GLFWwindow* window;
|
||||
GLFWgammaramp orig_ramp;
|
||||
struct nk_context* nk;
|
||||
struct nk_font_atlas* atlas;
|
||||
float gamma_value = 1.f;
|
||||
@ -103,6 +105,18 @@ int main(int argc, char** argv)
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
{
|
||||
const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
|
||||
const size_t array_size = ramp->size * sizeof(short);
|
||||
orig_ramp.size = ramp->size;
|
||||
orig_ramp.red = malloc(array_size);
|
||||
orig_ramp.green = malloc(array_size);
|
||||
orig_ramp.blue = malloc(array_size);
|
||||
memcpy(orig_ramp.red, ramp->red, array_size);
|
||||
memcpy(orig_ramp.green, ramp->green, array_size);
|
||||
memcpy(orig_ramp.blue, ramp->blue, array_size);
|
||||
}
|
||||
|
||||
glfwMakeContextCurrent(window);
|
||||
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
|
||||
glfwSwapInterval(1);
|
||||
@ -125,13 +139,17 @@ int main(int argc, char** argv)
|
||||
nk_glfw3_new_frame();
|
||||
if (nk_begin(nk, "", area, 0))
|
||||
{
|
||||
const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
|
||||
const GLFWgammaramp* ramp;
|
||||
nk_window_set_bounds(nk, area);
|
||||
|
||||
nk_layout_row_dynamic(nk, 30, 2);
|
||||
nk_layout_row_dynamic(nk, 30, 3);
|
||||
if (nk_slider_float(nk, 0.1f, &gamma_value, 5.f, 0.1f))
|
||||
glfwSetGamma(monitor, gamma_value);
|
||||
nk_labelf(nk, NK_TEXT_LEFT, "%0.1f", gamma_value);
|
||||
if (nk_button_label(nk, "Revert"))
|
||||
glfwSetGammaRamp(monitor, &orig_ramp);
|
||||
|
||||
ramp = glfwGetGammaRamp(monitor);
|
||||
|
||||
nk_layout_row_dynamic(nk, height - 60.f, 3);
|
||||
chart_ramp_array(nk, nk_rgb(255, 0, 0), ramp->size, ramp->red);
|
||||
@ -146,6 +164,10 @@ int main(int argc, char** argv)
|
||||
glfwWaitEventsTimeout(1.0);
|
||||
}
|
||||
|
||||
free(orig_ramp.red);
|
||||
free(orig_ramp.green);
|
||||
free(orig_ramp.blue);
|
||||
|
||||
nk_glfw3_shutdown();
|
||||
glfwTerminate();
|
||||
exit(EXIT_SUCCESS);
|
||||
|
Loading…
Reference in New Issue
Block a user