EasyManuals Logo

THORLABS DCU223 SERIES User Manual

THORLABS DCU223 SERIES
530 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #206 background imageLoading...
Page #206 background image
© 2013 Thorlabs GmbH204
DCx Cameras
Example OpenGL under Linux
//OpenGL initialize
OPENGL_DISPLAY display;
display.pDisplay = NULL;
display.nWindowID = 0 /* window id */
is_InitCamera(&hCam, (void*)&display);
Example under Linux (with usage of the Cairo library)
UINT Size[2] = { 480, 480 };
is_DirectRenderer (hCam, DR_SET_OVERLAY_SIZE, (void*)Size, sizeof (Size));
char *pOverlayBuffer;
is_DirectRenderer(hCam, DR_GET_OVERLAY_DATA, (void*)&pOverlayBuffer, sizeof(pOverlayBuffer));
cairo_surface_t *surface = 0;
cairo_t *cr = 0;
int w, h;
w = Size[0];
h = Size[1];
surface = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32, w, h, w * 4);
cr = cairo_create(surface);
cairo_set_line_width (cr, 6);
cairo_rectangle (cr, 12, 12, 232, 70);
cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2* 3.14);
cairo_new_sub_path (cr); cairo_arc_negative (cr, 192, 64, 40, 0, -2*3.14);
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_source_rgb (cr, 0, 0.7, 0); cairo_fill_preserve (cr);
cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);
cairo_translate (cr, 0, 128);
cairo_rectangle (cr, 12, 12, 232, 70);
cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2*3.14);
cairo_new_sub_path (cr); cairo_arc_negative (cr, 192, 64, 40, 0, -2*3.14);
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
cairo_set_source_rgb (cr, 0, 0, 0.9); cairo_fill_preserve (cr);
cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);
cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD );
cairo_set_font_size (cr, 90.0);
cairo_move_to (cr, 10.0, 135.0);
cairo_show_text (cr, "Hello");
cairo_move_to (cr, 70.0, 165.0);
cairo_set_font_size (cr, 150.0);
cairo_text_path (cr, "uc480");
cairo_set_source_rgb (cr, 0.5, 0.5, 1);
cairo_fill_preserve (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_line_width (cr, 2.56);
cairo_stroke (cr);
/* draw helping lines */
cairo_set_source_rgba (cr, 1, 0.2, 0.2, 0.6);
cairo_arc (cr, 10.0, 135.0, 5.12, 0, 2*3.14);
cairo_close_path (cr);
cairo_arc (cr, 70.0, 165.0, 5.12, 0, 2*3.14);
cairo_fill (cr);
cairo_destroy (cr);
cairo_surface_destroy (surface);
// update overlay
is_DirectRenderer(hCam, DR_UPDATE_OVERLAY_DATA, NULL, 0);
Sample programs
uc480DirectRenderer
uc480Steal

Table of Contents

Other manuals for THORLABS DCU223 SERIES

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the THORLABS DCU223 SERIES and is the answer not in the manual?

THORLABS DCU223 SERIES Specifications

General IconGeneral
BrandTHORLABS
ModelDCU223 SERIES
CategorySecurity Camera
LanguageEnglish

Related product manuals