First working GTK+ window with pretty fast update of the IR cam frames
This commit is contained in:
Nicole Faerber
parent
39f9bf67a2
commit
cfcb290322
17 changed files with 896 additions and 53 deletions
226
flirgtk.c
226
flirgtk.c
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@ -3,9 +3,30 @@
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#include <gtk/gtk.h>
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#include "palettes/15.h"
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#include "palettes/17.h"
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#include "palettes/7.h"
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#include "palettes/85.h"
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#include "palettes/92.h"
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#include "palettes/Grayscale.h"
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#include "palettes/Grey.h"
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#include "palettes/Iron2.h"
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#include "palettes/Iron_Black.h"
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#include "palettes/Rainbow.h"
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static GtkWidget *window = NULL;
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static GtkWidget *image_darea = NULL;
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static cairo_surface_t *surface = NULL;
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// internal frame buffer with 640x480 pixels of 4 byte each,
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// first byte unused, R, G, B 0x00RRGGBB
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unsigned char fbuffer[640*480*4];
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unsigned char *fbdata;
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unsigned char *color_palette;
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gboolean flir_run = FALSE;
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gpointer cam_thread_main(gpointer user_data);
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static gboolean
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configure_event (GtkWidget *widget,
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@ -13,87 +34,192 @@ configure_event (GtkWidget *widget,
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gpointer data)
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{
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GtkAllocation allocation;
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cairo_t *cr;
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int stride;
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if (surface)
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cairo_surface_destroy (surface);
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if (surface)
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cairo_surface_destroy (surface);
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gtk_widget_get_allocation (widget, &allocation);
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surface = gdk_window_create_similar_surface (gtk_widget_get_window (widget),
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CAIRO_CONTENT_COLOR,
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allocation.width,
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allocation.height);
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// cr = cairo_create (surface);
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gtk_widget_get_allocation (widget, &allocation);
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stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, 640);
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// g_printerr("stride %d\n", stride);
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surface = cairo_image_surface_create_for_data (fbuffer,
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CAIRO_FORMAT_RGB24,
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640,
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480,
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stride);
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fbdata = cairo_image_surface_get_data(surface);
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g_printerr("configure event %d x %d\n", allocation.width, allocation.height);
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g_printerr("configure event %d x %d\n", allocation.width, allocation.height);
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/* We've handled the configure event, no need for further processing. */
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return TRUE;
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/* We've handled the configure event, no need for further processing. */
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return TRUE;
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}
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#if 0
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int stride;
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unsigned char *data;
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cairo_surface_t *surface;
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stride = cairo_format_stride_for_width (format, width);
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data = malloc (stride * height);
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surface = cairo_image_surface_create_for_data (data, format,
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width, height,
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stride);
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#endif
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static gboolean
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draw_event (GtkWidget *widget,
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cairo_t *cr,
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gpointer data)
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{
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g_printerr("draw event\n");
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// g_printerr("draw event\n");
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cairo_set_source_surface (cr, surface, 0, 0);
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cairo_paint (cr);
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cairo_set_source_surface (cr, surface, 0, 0);
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cairo_paint (cr);
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return FALSE;
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return FALSE;
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}
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void
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update_fb(void)
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{
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#if 0
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unsigned int x,y;
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unsigned int *pdata;
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static unsigned char cnt=0;
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cnt+=0x0f;
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// g_printerr("cnt=%d\n", cnt);
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for (y=0; y<480; y++) {
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for (x=0; x<640; x++) {
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pdata = (unsigned int *)&fbdata[(y*640*4)+(x*4)];
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*pdata = (cnt << 16) | (x << 9) | y;
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}
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}
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#endif
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gtk_widget_queue_draw(image_darea);
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}
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void
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start_clicked(GtkWidget *button, gpointer user_data)
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{
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flir_run = TRUE;
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g_thread_new ("CAM thread", cam_thread_main, NULL);
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}
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void
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stop_clicked(GtkWidget *button, gpointer user_data)
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{
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flir_run = FALSE;
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}
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static void
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close_window (void)
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{
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window = NULL;
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// clean up and quit
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window = NULL;
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gtk_main_quit();
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}
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gboolean
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handle_timeout (gpointer user_data)
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{
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update_fb();
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return TRUE;
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}
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void
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palette_changed (GtkComboBox *widget, gpointer user_data)
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{
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int act;
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act = gtk_combo_box_get_active(widget);
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if (act < 0) {
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g_printerr("oops, palette selection = %d\n", act);
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} else {
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if (act == 0) color_palette = palette_7;
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if (act == 1) color_palette = palette_15;
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if (act == 2) color_palette = palette_17;
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if (act == 3) color_palette = palette_85;
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if (act == 4) color_palette = palette_92;
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if (act == 5) color_palette = palette_Grayscale;
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if (act == 6) color_palette = palette_Grey;
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if (act == 7) color_palette = palette_Iron2;
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if (act == 8) color_palette = palette_Iron_Black;
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if (act == 9) color_palette = palette_Rainbow;
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};
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}
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GtkWidget *
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do_drawingarea ()
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create_main_window ()
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{
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GtkWidget *da;
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GtkWidget *box;
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GtkWidget *hbox;
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GtkWidget *w;
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// GtkWidget *da;
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if (!window) {
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "FLIR One");
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if (!window) {
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "FLIR One");
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g_signal_connect (window, "destroy",
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G_CALLBACK (close_window), NULL);
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da = gtk_drawing_area_new ();
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/* set a minimum size */
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gtk_widget_set_size_request (da, 160, 120);
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g_signal_connect (window, "destroy",
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G_CALLBACK (close_window), NULL);
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gtk_container_add (GTK_CONTAINER (window), da);
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box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
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gtk_container_add (GTK_CONTAINER (window), box);
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g_signal_connect (da, "draw",
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G_CALLBACK (draw_event), NULL);
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g_signal_connect (da,"configure-event",
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G_CALLBACK (configure_event), NULL);
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gtk_widget_show_all(window);
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}
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return window;
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hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
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gtk_container_add (GTK_CONTAINER (box), hbox);
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w = gtk_button_new_with_label("Start");
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gtk_container_add (GTK_CONTAINER (hbox), w);
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g_signal_connect (w, "clicked",
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G_CALLBACK (start_clicked), NULL);
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w = gtk_button_new_with_label("Stop");
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gtk_container_add (GTK_CONTAINER (hbox), w);
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g_signal_connect (w, "clicked",
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G_CALLBACK (stop_clicked), NULL);
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// drop down for color palettes
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w = gtk_combo_box_text_new();
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "7");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "15");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "17");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "85");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "92");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "Grayscale");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "Grey");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "Iron 2");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "Iron Black");
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gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT(w), NULL, "Rainbow");
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gtk_combo_box_set_active (GTK_COMBO_BOX(w), 9);
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gtk_container_add (GTK_CONTAINER (hbox), w);
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color_palette = palette_Rainbow;
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g_signal_connect (w, "changed",
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G_CALLBACK (palette_changed), NULL);
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image_darea = gtk_drawing_area_new ();
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/* set a minimum size */
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gtk_widget_set_size_request (image_darea, 640, 480);
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gtk_container_add (GTK_CONTAINER (box), image_darea);
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g_signal_connect (image_darea, "draw",
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G_CALLBACK (draw_event), NULL);
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g_signal_connect (image_darea,"configure-event",
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G_CALLBACK (configure_event), NULL);
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// g_timeout_add_seconds(1, handle_timeout, NULL);
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gtk_widget_show_all(window);
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}
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return window;
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}
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int main(int argc, char **argv)
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int
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main(int argc, char **argv)
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{
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gtk_init(&argc, &argv);
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do_drawingarea();
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gtk_main();
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gtk_init(&argc, &argv);
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create_main_window();
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gtk_main();
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return 0;
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}
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