Camilla Berglund
ago%!(EXTRA string=10 years)
parent
04c057238b
commit
33c7c28dde
6 changed files with 188 additions and 598 deletions
@ -1,124 +0,0 @@ |
||||
//========================================================================
|
||||
// Mouse cursor accuracy test
|
||||
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source
|
||||
// distribution.
|
||||
//
|
||||
//========================================================================
|
||||
//
|
||||
// This test came about as the result of bug #1867804
|
||||
//
|
||||
// No sign of said bug has so far been detected
|
||||
//
|
||||
//========================================================================
|
||||
|
||||
#include <GLFW/glfw3.h> |
||||
|
||||
#include <stdio.h> |
||||
#include <stdlib.h> |
||||
|
||||
static double cursor_x = 0.0, cursor_y = 0.0; |
||||
static int swap_interval = 1; |
||||
|
||||
static void set_swap_interval(GLFWwindow* window, int interval) |
||||
{ |
||||
char title[256]; |
||||
|
||||
swap_interval = interval; |
||||
glfwSwapInterval(swap_interval); |
||||
|
||||
sprintf(title, "Cursor Inaccuracy Detector (interval %i)", swap_interval); |
||||
|
||||
glfwSetWindowTitle(window, title); |
||||
} |
||||
|
||||
static void error_callback(int error, const char* description) |
||||
{ |
||||
fprintf(stderr, "Error: %s\n", description); |
||||
} |
||||
|
||||
static void cursor_position_callback(GLFWwindow* window, double x, double y) |
||||
{ |
||||
cursor_x = x; |
||||
cursor_y = y; |
||||
} |
||||
|
||||
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) |
||||
{ |
||||
if (key == GLFW_KEY_SPACE && action == GLFW_PRESS) |
||||
set_swap_interval(window, 1 - swap_interval); |
||||
} |
||||
|
||||
int main(void) |
||||
{ |
||||
GLFWwindow* window; |
||||
|
||||
glfwSetErrorCallback(error_callback); |
||||
|
||||
if (!glfwInit()) |
||||
exit(EXIT_FAILURE); |
||||
|
||||
window = glfwCreateWindow(640, 480, "", NULL, NULL); |
||||
if (!window) |
||||
{ |
||||
glfwTerminate(); |
||||
exit(EXIT_FAILURE); |
||||
} |
||||
|
||||
glfwSetCursorPosCallback(window, cursor_position_callback); |
||||
glfwSetKeyCallback(window, key_callback); |
||||
|
||||
glfwMakeContextCurrent(window); |
||||
|
||||
set_swap_interval(window, swap_interval); |
||||
|
||||
while (!glfwWindowShouldClose(window)) |
||||
{ |
||||
int wnd_width, wnd_height, fb_width, fb_height; |
||||
float scale; |
||||
|
||||
glfwGetWindowSize(window, &wnd_width, &wnd_height); |
||||
glfwGetFramebufferSize(window, &fb_width, &fb_height); |
||||
|
||||
scale = (float) fb_width / (float) wnd_width; |
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT); |
||||
|
||||
glViewport(0, 0, fb_width, fb_height); |
||||
|
||||
glMatrixMode(GL_PROJECTION); |
||||
glLoadIdentity(); |
||||
glOrtho(0.f, fb_width, 0.f, fb_height, 0.f, 1.f); |
||||
|
||||
glBegin(GL_LINES); |
||||
glVertex2f(0.f, (GLfloat) (fb_height - cursor_y * scale)); |
||||
glVertex2f((GLfloat) fb_width, (GLfloat) (fb_height - cursor_y * scale)); |
||||
glVertex2f((GLfloat) cursor_x * scale, 0.f); |
||||
glVertex2f((GLfloat) cursor_x * scale, (GLfloat) fb_height); |
||||
glEnd(); |
||||
|
||||
glfwSwapBuffers(window); |
||||
glfwPollEvents(); |
||||
} |
||||
|
||||
glfwTerminate(); |
||||
exit(EXIT_SUCCESS); |
||||
} |
||||
|
||||
@ -1,135 +0,0 @@ |
||||
//========================================================================
|
||||
// Cursor animation
|
||||
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source
|
||||
// distribution.
|
||||
//
|
||||
//========================================================================
|
||||
//
|
||||
// Cursor animation test.
|
||||
//
|
||||
//========================================================================
|
||||
|
||||
#include <GLFW/glfw3.h> |
||||
|
||||
#include <stdlib.h> |
||||
#include <math.h> |
||||
|
||||
#ifdef min |
||||
#undef min |
||||
#endif |
||||
#ifdef max |
||||
#undef max |
||||
#endif |
||||
|
||||
#define SIZE 64 // cursor size (width & height)
|
||||
#define N 60 // number of frames
|
||||
|
||||
unsigned char buffer[4 * SIZE * SIZE]; |
||||
|
||||
static float max(float a, float b) { return a > b ? a : b; } |
||||
static float min(float a, float b) { return a < b ? a : b; } |
||||
|
||||
static float star(int x, int y, float t) |
||||
{ |
||||
float c = SIZE / 2.0f; |
||||
|
||||
float i = (0.25f * (float)sin(2.0f * 3.1415926f * t) + 0.75f); |
||||
float k = SIZE * 0.046875f * i; |
||||
|
||||
float dist = (float)sqrt((x - c) * (x - c) + (y - c) * (y - c)); |
||||
|
||||
float salpha = 1.0f - dist / c; |
||||
float xalpha = (float)x == c ? c : k / (float)fabs(x - c); |
||||
float yalpha = (float)y == c ? c : k / (float)fabs(y - c); |
||||
|
||||
return max(0.0f, min(1.0f, i * salpha * 0.2f + salpha * xalpha * yalpha)); |
||||
} |
||||
|
||||
static GLFWcursor* load_frame(float t) |
||||
{ |
||||
int i = 0, x, y; |
||||
const GLFWimage image = { SIZE, SIZE, buffer }; |
||||
|
||||
for (y = 0; y < image.width; y++) |
||||
{ |
||||
for (x = 0; x < image.height; x++) |
||||
{ |
||||
buffer[i++] = 255; |
||||
buffer[i++] = 255; |
||||
buffer[i++] = 255; |
||||
buffer[i++] = (unsigned char)(255 * star(x, y, t)); |
||||
} |
||||
} |
||||
|
||||
return glfwCreateCursor(&image, image.width / 2, image.height / 2); |
||||
} |
||||
|
||||
int main(void) |
||||
{ |
||||
int i; |
||||
double t0, t1, frameTime = 0.0; |
||||
|
||||
GLFWwindow* window; |
||||
GLFWcursor* frames[N]; |
||||
|
||||
if (!glfwInit()) |
||||
exit(EXIT_FAILURE); |
||||
|
||||
window = glfwCreateWindow(640, 480, "Cursor animation", NULL, NULL); |
||||
|
||||
if (!window) |
||||
{ |
||||
glfwTerminate(); |
||||
exit(EXIT_FAILURE); |
||||
} |
||||
|
||||
glfwMakeContextCurrent(window); |
||||
glfwSwapInterval(1); |
||||
|
||||
for (i = 0; i < N; i++) |
||||
frames[i] = load_frame(i / (float)N); |
||||
|
||||
i = 0; |
||||
|
||||
t0 = glfwGetTime(); |
||||
|
||||
while (!glfwWindowShouldClose(window)) |
||||
{ |
||||
glClear(GL_COLOR_BUFFER_BIT); |
||||
glfwSetCursor(window, frames[i]); |
||||
glfwSwapBuffers(window); |
||||
glfwPollEvents(); |
||||
|
||||
t1 = glfwGetTime(); |
||||
frameTime += t1 - t0; |
||||
t0 = t1; |
||||
|
||||
while (frameTime > 1.0 / (double)N) |
||||
{ |
||||
i = (i + 1) % N; |
||||
frameTime -= 1.0 / (double)N; |
||||
} |
||||
} |
||||
|
||||
glfwTerminate(); |
||||
exit(EXIT_SUCCESS); |
||||
} |
||||
|
||||
@ -1,151 +0,0 @@ |
||||
//========================================================================
|
||||
// Cursor mode test
|
||||
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgment in the product documentation would
|
||||
// be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such, and must not
|
||||
// be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source
|
||||
// distribution.
|
||||
//
|
||||
//========================================================================
|
||||
//
|
||||
// This test allows you to switch between the various cursor modes
|
||||
//
|
||||
//========================================================================
|
||||
|
||||
#include <GLFW/glfw3.h> |
||||
|
||||
#include <stdio.h> |
||||
#include <stdlib.h> |
||||
|
||||
static GLboolean reopen = GL_FALSE; |
||||
static double cursor_x; |
||||
static double cursor_y; |
||||
|
||||
static void error_callback(int error, const char* description) |
||||
{ |
||||
fprintf(stderr, "Error: %s\n", description); |
||||
} |
||||
|
||||
static void cursor_position_callback(GLFWwindow* window, double x, double y) |
||||
{ |
||||
printf("%0.3f: Cursor position: %f %f (%f %f)\n", |
||||
glfwGetTime(), |
||||
x, y, x - cursor_x, y - cursor_y); |
||||
|
||||
cursor_x = x; |
||||
cursor_y = y; |
||||
} |
||||
|
||||
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) |
||||
{ |
||||
if (action != GLFW_PRESS) |
||||
return; |
||||
|
||||
switch (key) |
||||
{ |
||||
case GLFW_KEY_D: |
||||
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED); |
||||
printf("(( cursor is disabled ))\n"); |
||||
break; |
||||
|
||||
case GLFW_KEY_H: |
||||
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); |
||||
printf("(( cursor is hidden ))\n"); |
||||
break; |
||||
|
||||
case GLFW_KEY_N: |
||||
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL); |
||||
printf("(( cursor is normal ))\n"); |
||||
break; |
||||
|
||||
case GLFW_KEY_R: |
||||
reopen = GL_TRUE; |
||||
break; |
||||
} |
||||
} |
||||
|
||||
static void framebuffer_size_callback(GLFWwindow* window, int width, int height) |
||||
{ |
||||
glViewport(0, 0, width, height); |
||||
} |
||||
|
||||
static GLFWwindow* open_window(void) |
||||
{ |
||||
GLFWwindow* window = glfwCreateWindow(640, 480, "Peter Detector", NULL, NULL); |
||||
if (!window) |
||||
return NULL; |
||||
|
||||
glfwMakeContextCurrent(window); |
||||
glfwSwapInterval(1); |
||||
|
||||
glfwGetCursorPos(window, &cursor_x, &cursor_y); |
||||
printf("Cursor position: %f %f\n", cursor_x, cursor_y); |
||||
|
||||
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback); |
||||
glfwSetCursorPosCallback(window, cursor_position_callback); |
||||
glfwSetKeyCallback(window, key_callback); |
||||
|
||||
return window; |
||||
} |
||||
|
||||
int main(void) |
||||
{ |
||||
GLFWwindow* window; |
||||
|
||||
glfwSetErrorCallback(error_callback); |
||||
|
||||
if (!glfwInit()) |
||||
exit(EXIT_FAILURE); |
||||
|
||||
window = open_window(); |
||||
if (!window) |
||||
{ |
||||
glfwTerminate(); |
||||
exit(EXIT_FAILURE); |
||||
} |
||||
|
||||
glClearColor(0.f, 0.f, 0.f, 0.f); |
||||
|
||||
while (!glfwWindowShouldClose(window)) |
||||
{ |
||||
glClear(GL_COLOR_BUFFER_BIT); |
||||
|
||||
glfwSwapBuffers(window); |
||||
glfwWaitEvents(); |
||||
|
||||
if (reopen) |
||||
{ |
||||
glfwDestroyWindow(window); |
||||
window = open_window(); |
||||
if (!window) |
||||
{ |
||||
glfwTerminate(); |
||||
exit(EXIT_FAILURE); |
||||
} |
||||
|
||||
reopen = GL_FALSE; |
||||
} |
||||
|
||||
// Workaround for an issue with msvcrt and mintty
|
||||
fflush(stdout); |
||||
} |
||||
|
||||
glfwTerminate(); |
||||
exit(EXIT_SUCCESS); |
||||
} |
||||
|
||||
Loading…
Reference in New Issue