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-rw-r--r--tests/libdimension/Makefile.am6
-rw-r--r--tests/libdimension/png.c155
-rw-r--r--tests/libdimension/tests.c350
-rw-r--r--tests/libdimension/tests.h74
4 files changed, 584 insertions, 1 deletions
diff --git a/tests/libdimension/Makefile.am b/tests/libdimension/Makefile.am
index 393e338..f01fb1f 100644
--- a/tests/libdimension/Makefile.am
+++ b/tests/libdimension/Makefile.am
@@ -21,7 +21,8 @@ INCLUDES = -I$(top_srcdir)/libdimension
check_PROGRAMS = error-test \
warning-test \
- kD_splay_tree-test
+ kD_splay_tree-test \
+ png-test
TESTS = $(check_PROGRAMS)
XFAIL_TESTS = error-test
@@ -33,3 +34,6 @@ warning_test_LDADD = $(top_srcdir)/libdimension/libdimension.la
kD_splay_tree_test_SOURCES = kD_splay_tree.c
kD_splay_tree_test_LDADD = $(top_srcdir)/libdimension/libdimension.la
+
+png_test_SOURCES = png.c tests.c tests.h
+png_test_LDADD = $(top_srcdir)/libdimension/libdimension.la
diff --git a/tests/libdimension/png.c b/tests/libdimension/png.c
new file mode 100644
index 0000000..488cd56
--- /dev/null
+++ b/tests/libdimension/png.c
@@ -0,0 +1,155 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main() {
+ dmnsn_progress *progress;
+ FILE *ifile, *ofile;
+ dmnsn_scene *scene;
+ dmnsn_canvas *canvas;
+
+ /* Set the resilience low for tests */
+ dmnsn_set_resilience(DMNSN_SEVERITY_LOW);
+
+ /* Render the scene */
+ {
+ /* Allocate our default scene */
+ scene = dmnsn_new_default_scene();
+ if (!scene) {
+ fprintf(stderr, "--- Allocation of default scene failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Optimize the canvas for PNG export */
+ if (dmnsn_png_optimize_canvas(scene->canvas) != 0) {
+ dmnsn_delete_default_scene(scene);
+ fprintf(stderr, "--- Couldn't optimize canvas for PNG! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Render scene */
+
+ progress = dmnsn_raytrace_scene_async(scene);
+ if (!progress) {
+ dmnsn_delete_default_scene(scene);
+ fprintf(stderr, "--- Couldn't start raytracing worker thread! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_progressbar("Raytracing scene: ", progress);
+
+ if (dmnsn_finish_progress(progress) != 0) {
+ dmnsn_delete_default_scene(scene);
+ fprintf(stderr, "--- Raytracing failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ /* Write the image to PNG */
+
+ ofile = fopen("png1.png", "wb");
+ if (!ofile) {
+ dmnsn_delete_default_scene(scene);
+ fprintf(stderr, "--- Couldn't open 'png1.png' for writing! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ progress = dmnsn_png_write_canvas_async(scene->canvas, ofile);
+ if (!progress) {
+ fclose(ofile);
+ dmnsn_delete_default_scene(scene);
+ fprintf(stderr, "--- Couldn't start PNG writing worker thread! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_progressbar("Writing PNG file: ", progress);
+
+ if (dmnsn_finish_progress(progress) != 0) {
+ fclose(ofile);
+ dmnsn_delete_default_scene(scene);
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ofile);
+ dmnsn_delete_default_scene(scene);
+ }
+
+ /* Now test PNG import/export */
+ {
+ /* Read the image back from PNG */
+
+ ifile = fopen("png1.png", "rb");
+ if (!ifile) {
+ fprintf(stderr, "--- Couldn't open 'png1.png' for reading! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ progress = dmnsn_png_read_canvas_async(&canvas, ifile);
+ if (!progress) {
+ fclose(ifile);
+ fprintf(stderr, "--- Couldn't start PNG reading worker thread! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_progressbar("Reading PNG file: ", progress);
+
+ if (dmnsn_finish_progress(progress) != 0) {
+ fclose(ifile);
+ fprintf(stderr, "--- Reading canvas from PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ifile);
+
+ /* And write it back */
+
+ ofile = fopen("png2.png", "wb");
+ if (!ofile) {
+ fprintf(stderr, "--- Couldn't open 'png2.png' for writing! ---\n");
+ dmnsn_delete_canvas(canvas);
+ return EXIT_FAILURE;
+ }
+
+ progress = dmnsn_png_write_canvas_async(canvas, ofile);
+ if (!progress) {
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Couldn't start PNG writing worker thread! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ dmnsn_progressbar("Writing PNG file: ", progress);
+
+ if (dmnsn_finish_progress(progress) != 0) {
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ return EXIT_FAILURE;
+ }
+
+ fclose(ofile);
+ dmnsn_delete_canvas(canvas);
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/libdimension/tests.c b/tests/libdimension/tests.c
new file mode 100644
index 0000000..f8c02de
--- /dev/null
+++ b/tests/libdimension/tests.c
@@ -0,0 +1,350 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+
+dmnsn_scene *
+dmnsn_new_default_scene()
+{
+ dmnsn_scene *scene;
+ dmnsn_object *sphere, *cube;
+ dmnsn_matrix trans;
+ dmnsn_sRGB sRGB;
+ dmnsn_color color;
+
+ /* Allocate a new scene */
+ scene = dmnsn_new_scene();
+ if (!scene) {
+ return NULL;
+ }
+
+ /* Background color */
+ sRGB.R = 0.0;
+ sRGB.G = 0.0;
+ sRGB.B = 0.1;
+ color = dmnsn_color_from_sRGB(sRGB);
+ color.filter = 0.1;
+ scene->background = color;
+
+ /* Allocate a canvas */
+ scene->canvas = dmnsn_new_canvas(768, 480);
+ if (!scene->canvas) {
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ /* Set up the transformation matrix for the perspective camera */
+ trans = dmnsn_scale_matrix(
+ dmnsn_vector_construct(
+ ((double)scene->canvas->x)/scene->canvas->y, 1.0, 1.0
+ )
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_vector_construct(0.0, 0.0, -4.0)),
+ trans
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, 1.0, 0.0)),
+ trans
+ );
+
+ /* Create a perspective camera */
+ scene->camera = dmnsn_new_perspective_camera();
+ if (!scene->camera) {
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+ dmnsn_set_perspective_camera_trans(scene->camera, trans);
+
+ /* Now make our objects */
+
+ sphere = dmnsn_new_sphere();
+ if (!sphere) {
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->texture = dmnsn_new_texture();
+ if (!sphere->texture) {
+ dmnsn_delete_object(sphere);
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->texture->pigment = dmnsn_new_solid_pigment(dmnsn_white);
+ if (!sphere->texture->pigment) {
+ dmnsn_delete_texture(sphere->texture);
+ dmnsn_delete_object(sphere);
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->trans = dmnsn_matrix_inverse(
+ dmnsn_scale_matrix(dmnsn_vector_construct(1.25, 1.25, 1.25))
+ );
+ dmnsn_array_push(scene->objects, &sphere);
+
+ cube = dmnsn_new_cube();
+ if (!cube) {
+ dmnsn_delete_pigment(sphere->texture->pigment);
+ dmnsn_delete_texture(sphere->texture);
+ dmnsn_delete_object(sphere);
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ cube->trans = dmnsn_matrix_inverse(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.75, 0.0, 0.0))
+ );
+ dmnsn_array_push(scene->objects, &cube);
+
+ return scene;
+}
+
+void
+dmnsn_delete_default_scene(dmnsn_scene *scene)
+{
+ dmnsn_object *sphere, *cube;
+ dmnsn_array_get(scene->objects, 0, &sphere);
+ dmnsn_array_get(scene->objects, 1, &cube);
+
+// dmnsn_delete_pigment(cube->texture->pigment);
+ dmnsn_delete_texture(cube->texture);
+ dmnsn_delete_object(cube);
+
+ dmnsn_delete_pigment(sphere->texture->pigment);
+ dmnsn_delete_texture(sphere->texture);
+ dmnsn_delete_object(sphere);
+
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+}
+
+/* XIfEvent callback */
+static Bool
+WaitForNotify(Display *d, XEvent *e, char *arg)
+{
+ return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
+}
+
+dmnsn_display *
+dmnsn_new_display(const dmnsn_canvas *canvas)
+{
+ int attributeList[] = {
+ GLX_RGBA,
+ GLX_DOUBLEBUFFER,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None
+ };
+ dmnsn_display *display;
+ XVisualInfo *vi;
+ XSetWindowAttributes swa;
+
+ display = malloc(sizeof(dmnsn_display));
+ if (!display) {
+ return NULL;
+ }
+
+ /* Get an X connection */
+ display->dpy = XOpenDisplay(0);
+ if (!display->dpy) {
+ free(display);
+ return NULL;
+ }
+
+ /* Get an appropriate visual */
+ vi = glXChooseVisual(display->dpy, DefaultScreen(display->dpy),
+ attributeList);
+ if (!vi) {
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ /* Create a GLX context */
+ display->cx = glXCreateContext(display->dpy, vi, 0, GL_TRUE);
+ if (!display->cx) {
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ /* Create a color map */
+ display->cmap = XCreateColormap(display->dpy,
+ RootWindow(display->dpy, vi->screen),
+ vi->visual, AllocNone);
+ if (!display->cmap) {
+ glXDestroyContext(display->dpy, display->cx);
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ /* Create a window */
+ swa.colormap = display->cmap;
+ swa.border_pixel = 0;
+ swa.event_mask = StructureNotifyMask;
+ display->win = XCreateWindow(display->dpy,
+ RootWindow(display->dpy, vi->screen),
+ 0, 0, canvas->x, canvas->y,
+ 0, vi->depth, InputOutput, vi->visual,
+ CWBorderPixel|CWColormap|CWEventMask, &swa);
+ if (!display->win) {
+ XFreeColormap(display->dpy, display->cmap);
+ glXDestroyContext(display->dpy, display->cx);
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ XStoreName(display->dpy, display->win, "glX");
+
+ XMapWindow(display->dpy, display->win);
+ XIfEvent(display->dpy, &display->event, WaitForNotify, (char*)display->win);
+
+ /* Connect the context to the window */
+ glXMakeCurrent(display->dpy, display->win, display->cx);
+
+ return display;
+}
+
+void
+dmnsn_delete_display(dmnsn_display *display)
+{
+ if (display) {
+ XDestroyWindow(display->dpy, display->win);
+ XFreeColormap(display->dpy, display->cmap);
+ glXDestroyContext(display->dpy, display->cx);
+ XCloseDisplay(display->dpy);
+ free(display);
+ }
+}
+
+void
+dmnsn_display_flush(dmnsn_display *display)
+{
+ glFlush();
+ glXSwapBuffers(display->dpy, display->win);
+}
+
+/* Print a progress bar of the progress of `progress' */
+void
+dmnsn_progressbar(const char *str, const dmnsn_progress *progress)
+{
+ dmnsn_progress *barprogress = dmnsn_progressbar_async(str, progress);
+ if (dmnsn_finish_progress(barprogress) != 0) {
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Progress bar background thread failed.");
+ }
+}
+
+typedef struct {
+ dmnsn_progress *barprogress;
+ const char *str;
+ const dmnsn_progress *progress;
+} dmnsn_progressbar_payload;
+
+/* Progress bar thread callback */
+static void *dmnsn_progressbar_thread(void *ptr);
+
+/* Print a progress bar in the background */
+dmnsn_progress *
+dmnsn_progressbar_async(const char *str, const dmnsn_progress *progress)
+{
+ dmnsn_progress *barprogress = dmnsn_new_progress();
+ dmnsn_progressbar_payload *payload;
+
+ if (barprogress) {
+ payload = malloc(sizeof(dmnsn_progressbar_payload));
+ if (!payload) {
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Couldn't allocate progress bar payload.");
+ }
+
+ payload->barprogress = barprogress;
+ payload->str = str;
+ payload->progress = progress;
+
+ /* Create the worker thread */
+ if (pthread_create(&barprogress->thread, NULL, &dmnsn_progressbar_thread,
+ payload) != 0)
+ {
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Couldn't start progress bar background thread.");
+ }
+ }
+
+ return barprogress;
+}
+
+/* Actual progress bar implementation */
+static int dmnsn_progressbar_impl(dmnsn_progress *barprogress, const char *str,
+ const dmnsn_progress *progress);
+
+/* Progress bar thread callback */
+static void *
+dmnsn_progressbar_thread(void *ptr)
+{
+ dmnsn_progressbar_payload *payload = ptr;
+ int *retval = malloc(sizeof(int));
+ if (retval) {
+ *retval = dmnsn_progressbar_impl(payload->barprogress,
+ payload->str, payload->progress);
+ }
+ dmnsn_done_progress(payload->barprogress);
+ free(payload);
+ return retval;
+}
+
+/* Actual progress bar implementation */
+static int
+dmnsn_progressbar_impl(dmnsn_progress *barprogress,
+ const char *str, const dmnsn_progress *progress)
+{
+ const unsigned int increments = 32;
+ unsigned int i;
+
+ dmnsn_new_progress_element(barprogress, increments);
+
+ printf("%s|", str);
+ fflush(stdout);
+ for (i = 0; i < increments; ++i) {
+ dmnsn_wait_progress(progress, ((double)(i + 1))/increments);
+
+ printf("=");
+ fflush(stdout);
+ dmnsn_increment_progress(barprogress);
+ }
+ printf("|\n");
+ fflush(stdout);
+
+ return 0;
+}
diff --git a/tests/libdimension/tests.h b/tests/libdimension/tests.h
new file mode 100644
index 0000000..19111c8
--- /dev/null
+++ b/tests/libdimension/tests.h
@@ -0,0 +1,74 @@
+/*************************************************************************
+ * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Test Suite is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#ifndef TESTS_H
+#define TESTS_H
+
+#include "../libdimension/dimension.h"
+#include <GL/glx.h>
+#include <GL/gl.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+/* We've been included from a C++ file; mark everything here as extern "C" */
+extern "C" {
+#endif
+
+/*
+ * Convenience
+ */
+
+dmnsn_scene *dmnsn_new_default_scene();
+void dmnsn_delete_default_scene(dmnsn_scene *scene);
+
+/*
+ * Windowing
+ */
+
+typedef struct {
+ Display *dpy;
+ Window win;
+ Colormap cmap;
+ GLXContext cx;
+ XEvent event;
+} dmnsn_display;
+
+dmnsn_display *dmnsn_new_display(const dmnsn_canvas *canvas);
+void dmnsn_delete_display(dmnsn_display *display);
+
+/* Flush the GL buffers */
+void dmnsn_display_flush(dmnsn_display *display);
+
+/*
+ * Asynchronicity
+ */
+
+/* Print a progress bar of the progress of `progress' */
+void dmnsn_progressbar(const char *str, const dmnsn_progress *progress);
+/* Print a progress bar asynchronously, convienently guaranteed to succeed if
+ it returns so our tests don't get cluttered up */
+dmnsn_progress *dmnsn_progressbar_async(const char *str,
+ const dmnsn_progress *progress);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TESTS_H */
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