mirror of
https://github.com/glfw/glfw.git
synced 2024-11-22 10:05:10 +00:00
Convert gamma test to Nuklear
This commit is contained in:
Camilla Berglund
parent
28889954ef
commit
450d0d69af
@ -21,7 +21,6 @@ set(TINYCTHREAD "${GLFW_SOURCE_DIR}/deps/tinycthread.h"
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add_executable(clipboard clipboard.c ${GETOPT} ${GLAD})
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add_executable(events events.c ${GETOPT} ${GLAD})
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add_executable(msaa msaa.c ${GETOPT} ${GLAD})
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add_executable(gamma gamma.c ${GETOPT} ${GLAD})
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add_executable(glfwinfo glfwinfo.c ${GETOPT} ${GLAD})
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add_executable(iconify iconify.c ${GETOPT} ${GLAD})
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add_executable(joysticks joysticks.c ${GLAD})
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@ -30,6 +29,7 @@ add_executable(reopen reopen.c ${GLAD})
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add_executable(cursor cursor.c ${GLAD})
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add_executable(empty WIN32 MACOSX_BUNDLE empty.c ${TINYCTHREAD} ${GLAD})
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add_executable(gamma WIN32 MACOSX_BUNDLE gamma.c ${GLAD})
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add_executable(icon WIN32 MACOSX_BUNDLE icon.c ${GLAD})
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add_executable(sharing WIN32 MACOSX_BUNDLE sharing.c ${GETOPT} ${GLAD})
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add_executable(tearing WIN32 MACOSX_BUNDLE tearing.c ${GETOPT} ${GLAD})
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@ -41,9 +41,10 @@ add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${GETOPT} ${GLAD})
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target_link_libraries(empty "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
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target_link_libraries(threads "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
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set(WINDOWS_BINARIES empty icon sharing tearing threads timeout title windows)
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set(CONSOLE_BINARIES clipboard events msaa gamma glfwinfo
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iconify joysticks monitors reopen cursor)
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set(WINDOWS_BINARIES empty gamma icon sharing tearing threads timeout title
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windows)
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set(CONSOLE_BINARIES clipboard events msaa glfwinfo iconify joysticks monitors
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reopen cursor)
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if (VULKAN_FOUND)
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add_executable(vulkan WIN32 vulkan.c ${ICON})
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@ -65,6 +66,7 @@ endif()
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if (APPLE)
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set_target_properties(empty PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Empty Event")
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set_target_properties(gamma PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Gamma")
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set_target_properties(sharing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Sharing")
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set_target_properties(tearing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Tearing")
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set_target_properties(threads PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Threads")
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173
tests/gamma.c
173
tests/gamma.c
@ -31,33 +31,22 @@
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#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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#define NK_IMPLEMENTATION
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#define NK_INCLUDE_FIXED_TYPES
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#define NK_INCLUDE_FONT_BAKING
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#define NK_INCLUDE_DEFAULT_FONT
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#define NK_INCLUDE_DEFAULT_ALLOCATOR
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#define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
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#define NK_INCLUDE_STANDARD_VARARGS
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#include <nuklear.h>
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#define NK_GLFW_GL2_IMPLEMENTATION
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#include <nuklear_glfw_gl2.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "getopt.h"
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#define STEP_SIZE 0.1f
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static GLfloat gamma_value = 1.0f;
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static void usage(void)
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{
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printf("Usage: gamma [-h] [-f]\n");
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printf("Options:\n");
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printf(" -f create full screen window\n");
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printf(" -h show this help\n");
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}
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static void set_gamma(GLFWwindow* window, float value)
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{
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GLFWmonitor* monitor = glfwGetWindowMonitor(window);
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if (!monitor)
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monitor = glfwGetPrimaryMonitor();
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gamma_value = value;
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printf("Gamma: %f\n", gamma_value);
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glfwSetGamma(monitor, gamma_value);
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}
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static int windowed_xpos, windowed_ypos, windowed_width, windowed_height;
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static void error_callback(int error, const char* description)
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{
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@ -66,115 +55,103 @@ static void error_callback(int error, const char* description)
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static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
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{
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if (action != GLFW_PRESS)
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return;
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switch (key)
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{
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case GLFW_KEY_ESCAPE:
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{
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if (action == GLFW_PRESS && key == GLFW_KEY_ESCAPE)
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glfwSetWindowShouldClose(window, GLFW_TRUE);
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break;
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}
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case GLFW_KEY_KP_ADD:
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case GLFW_KEY_UP:
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case GLFW_KEY_Q:
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{
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set_gamma(window, gamma_value + STEP_SIZE);
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break;
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}
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case GLFW_KEY_KP_SUBTRACT:
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case GLFW_KEY_DOWN:
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case GLFW_KEY_W:
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{
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if (gamma_value - STEP_SIZE > 0.f)
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set_gamma(window, gamma_value - STEP_SIZE);
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break;
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}
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}
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}
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static void framebuffer_size_callback(GLFWwindow* window, int width, int height)
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static void chart_ramp_array(struct nk_context* nk,
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struct nk_color color,
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int count, unsigned short int* values)
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{
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glViewport(0, 0, width, height);
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if (nk_chart_begin_colored(nk, NK_CHART_LINES,
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color, nk_rgb(255, 255, 255),
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count, 0, 65535))
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{
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int i;
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for (i = 0; i < count; i++)
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{
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char buffer[1024];
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if (nk_chart_push(nk, values[i]))
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{
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snprintf(buffer, sizeof(buffer), "#%u: %u (%0.5f) ",
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i, values[i], values[i] / 65535.f);
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nk_tooltip(nk, buffer);
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}
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}
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nk_chart_end(nk);
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}
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}
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int main(int argc, char** argv)
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{
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int width, height, ch;
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GLFWmonitor* monitor = NULL;
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GLFWwindow* window;
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struct nk_context* nk;
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struct nk_font_atlas* atlas;
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float gamma_value = 1.f;
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glfwSetErrorCallback(error_callback);
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if (!glfwInit())
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exit(EXIT_FAILURE);
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while ((ch = getopt(argc, argv, "fh")) != -1)
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{
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switch (ch)
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{
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case 'h':
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usage();
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exit(EXIT_SUCCESS);
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case 'f':
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monitor = glfwGetPrimaryMonitor();
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break;
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default:
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usage();
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exit(EXIT_FAILURE);
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}
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}
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if (monitor)
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{
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const GLFWvidmode* mode = glfwGetVideoMode(monitor);
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glfwWindowHint(GLFW_REFRESH_RATE, mode->refreshRate);
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glfwWindowHint(GLFW_RED_BITS, mode->redBits);
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glfwWindowHint(GLFW_GREEN_BITS, mode->greenBits);
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glfwWindowHint(GLFW_BLUE_BITS, mode->blueBits);
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width = mode->width;
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height = mode->height;
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}
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else
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{
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width = 200;
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height = 200;
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}
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window = glfwCreateWindow(width, height, "Gamma Test", monitor, NULL);
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window = glfwCreateWindow(800, 400, "Gamma Test", NULL, NULL);
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if (!window)
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{
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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set_gamma(window, 1.f);
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glfwMakeContextCurrent(window);
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gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
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glfwSwapInterval(1);
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glfwSetKeyCallback(window, key_callback);
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glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
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nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
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nk_glfw3_font_stash_begin(&atlas);
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nk_glfw3_font_stash_end();
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glClearColor(0.5f, 0.5f, 0.5f, 0);
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glfwSetKeyCallback(window, key_callback);
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while (!glfwWindowShouldClose(window))
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{
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glClear(GL_COLOR_BUFFER_BIT);
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int width, height;
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struct nk_panel layout;
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struct nk_rect area;
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glfwSwapBuffers(window);
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glfwWaitEvents();
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glfwGetFramebufferSize(window, &width, &height);
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area = nk_rect(0.f, 0.f, (float) width, (float) height);
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glClear(GL_COLOR_BUFFER_BIT);
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nk_glfw3_new_frame();
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if (nk_begin(nk, &layout, "", area, 0))
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{
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const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
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nk_window_set_bounds(nk, area);
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nk_layout_row_dynamic(nk, 30, 2);
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if (nk_slider_float(nk, 0.1f, &gamma_value, 5.f, 0.1f))
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glfwSetGamma(monitor, gamma_value);
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nk_labelf(nk, NK_TEXT_LEFT, "%0.1f", gamma_value);
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nk_layout_row_end(nk);
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nk_layout_row_dynamic(nk, height - 60.f, 3);
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chart_ramp_array(nk, nk_rgb(255, 0, 0), ramp->size, ramp->red);
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chart_ramp_array(nk, nk_rgb(0, 255, 0), ramp->size, ramp->green);
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chart_ramp_array(nk, nk_rgb(0,0, 255), ramp->size, ramp->blue);
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nk_layout_row_end(nk);
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}
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nk_end(nk);
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nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000);
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glfwSwapBuffers(window);
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glfwWaitEventsTimeout(1.0);
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}
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nk_glfw3_shutdown();
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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