diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index 3508f5d11..b458609fd 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -66,7 +66,6 @@ if (APPLE) set_target_properties(simple PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Simple") set_target_properties(splitview PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "SplitView") set_target_properties(wave PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Wave") - set_target_properties(pen PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Pen") set_target_properties(${WINDOWS_BINARIES} PROPERTIES RESOURCE glfw.icns diff --git a/examples/pen.c b/examples/pen.c deleted file mode 100644 index 105beefcc..000000000 --- a/examples/pen.c +++ /dev/null @@ -1,173 +0,0 @@ -//======================================================================== -// Simple GLFW example -// Copyright (c) Camilla Löwy -// -// 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. -// -//======================================================================== -//! [code] - -#include -#include - -#include "linmath.h" - -#include -#include - -static const struct -{ - float x, y; - float r, g, b; -} vertices[3] = -{ - { -0.6f, -0.4f, 1.f, 0.f, 0.f }, - { 0.6f, -0.4f, 0.f, 1.f, 0.f }, - { 0.f, 0.6f, 0.f, 0.f, 1.f } -}; - -static const char* vertex_shader_text = -"#version 110\n" -"uniform mat4 MVP;\n" -"attribute vec3 vCol;\n" -"attribute vec2 vPos;\n" -"varying vec3 color;\n" -"void main()\n" -"{\n" -" gl_Position = MVP * vec4(vPos, 0.0, 1.0);\n" -" color = vCol;\n" -"}\n"; - -static const char* fragment_shader_text = -"#version 110\n" -"varying vec3 color;\n" -"void main()\n" -"{\n" -" gl_FragColor = vec4(color, 1.0);\n" -"}\n"; - -static void error_callback(int error, const char* description) -{ - fprintf(stderr, "Error: %s\n", description); -} - -static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) -{ - if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) - glfwSetWindowShouldClose(window, GLFW_TRUE); -} - -static void pen_callback(GLFWwindow* window, double pressure, int x, int y) -{ - fprintf(stderr, "pressure -- %f --\n", pressure); - fprintf (stderr, "xPosition -- %d --\n", x); - fprintf(stderr, "yPosition -- %d --\n", y); -} - -int main(void) -{ - GLFWwindow* window; - GLuint vertex_buffer, vertex_shader, fragment_shader, program; - GLint mvp_location, vpos_location, vcol_location; - - glfwSetErrorCallback(error_callback); - - if (!glfwInit()) - exit(EXIT_FAILURE); - - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); - - window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL); - if (!window) - { - glfwTerminate(); - exit(EXIT_FAILURE); - } - - glfwSetKeyCallback(window, key_callback); - glfwSetPenPressureCallback(window, pen_callback); - - glfwMakeContextCurrent(window); - gladLoadGLLoader((GLADloadproc) glfwGetProcAddress); - glfwSwapInterval(1); - - // NOTE: OpenGL error checks have been omitted for brevity - - glGenBuffers(1, &vertex_buffer); - glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer); - glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); - - vertex_shader = glCreateShader(GL_VERTEX_SHADER); - glShaderSource(vertex_shader, 1, &vertex_shader_text, NULL); - glCompileShader(vertex_shader); - - fragment_shader = glCreateShader(GL_FRAGMENT_SHADER); - glShaderSource(fragment_shader, 1, &fragment_shader_text, NULL); - glCompileShader(fragment_shader); - - program = glCreateProgram(); - glAttachShader(program, vertex_shader); - glAttachShader(program, fragment_shader); - glLinkProgram(program); - - mvp_location = glGetUniformLocation(program, "MVP"); - vpos_location = glGetAttribLocation(program, "vPos"); - vcol_location = glGetAttribLocation(program, "vCol"); - - glEnableVertexAttribArray(vpos_location); - glVertexAttribPointer(vpos_location, 2, GL_FLOAT, GL_FALSE, - sizeof(vertices[0]), (void*) 0); - glEnableVertexAttribArray(vcol_location); - glVertexAttribPointer(vcol_location, 3, GL_FLOAT, GL_FALSE, - sizeof(vertices[0]), (void*) (sizeof(float) * 2)); - - while (!glfwWindowShouldClose(window)) - { - float ratio; - int width, height; - mat4x4 m, p, mvp; - - glfwGetFramebufferSize(window, &width, &height); - ratio = width / (float) height; - - glViewport(0, 0, width, height); - glClear(GL_COLOR_BUFFER_BIT); - - mat4x4_identity(m); - mat4x4_rotate_Z(m, m, (float) glfwGetTime()); - mat4x4_ortho(p, -ratio, ratio, -1.f, 1.f, 1.f, -1.f); - mat4x4_mul(mvp, p, m); - - glUseProgram(program); - glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat*) mvp); - glDrawArrays(GL_TRIANGLES, 0, 3); - - glfwSwapBuffers(window); - glfwPollEvents(); - } - - glfwDestroyWindow(window); - - glfwTerminate(); - exit(EXIT_SUCCESS); -} - -//! [code]