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hide ugly details behind a sane API.
2008-03-26 Sven Neumann <sven@gimp.org> * app/widgets/gimpcairo-wilber.[ch]: * app/display/gimpcanvas.c (gimp_canvas_draw_drop_zone): hide ugly details behind a sane API. svn path=/trunk/; revision=25248
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Sven Neumann
Sven Neumann
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ccb8239a26
commit
86cf30dd1d
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@ -1,3 +1,9 @@
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2008-03-26 Sven Neumann <sven@gimp.org>
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* app/widgets/gimpcairo-wilber.[ch]:
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* app/display/gimpcanvas.c (gimp_canvas_draw_drop_zone): hide ugly
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details behind a sane API.
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2008-03-26 Michael Natterer <mitch@gimp.org>
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* app/display/gimpdisplayshell.c (gimp_display_shell_empty):
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@ -828,61 +828,40 @@ void
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gimp_canvas_draw_drop_zone (GimpCanvas *canvas,
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cairo_t *cr)
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{
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static gint wilber_x = 0;
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static gint wilber_y = 0;
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static gint wilber_width = 0;
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static gint wilber_height = 0;
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GtkWidget *widget = GTK_WIDGET (canvas);
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gint width;
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gint height;
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gint side;
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gdouble wilber_width;
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gdouble wilber_height;
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gdouble width;
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gdouble height;
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gdouble side;
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gdouble factor;
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/* first get the extents */
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if (! wilber_width)
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{
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cairo_t *foo = gdk_cairo_create (widget->window);
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gdouble x1, y1;
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gdouble x2, y2;
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gimp_cairo_wilber_get_size (cr, &wilber_width, &wilber_height);
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gimp_cairo_wilber (foo);
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cairo_fill_extents (foo, &x1, &y1, &x2, &y2);
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cairo_destroy (foo);
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wilber_width /= 2;
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wilber_height /= 2;
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wilber_x = x1;
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wilber_y = y1;
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wilber_width = (x2 - x1) / 2;
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wilber_height = (y2 - y1) / 2;
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}
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side = MIN (MIN (widget->allocation.width,
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widget->allocation.height),
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MAX (widget->allocation.width,
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widget->allocation.height) / 2);
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side = MIN (MIN (widget->allocation.width, widget->allocation.height),
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MAX (widget->allocation.width, widget->allocation.height) / 2);
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width = MAX (wilber_width, side);
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height = MAX (wilber_height, side);
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factor = MIN ((gdouble) width / wilber_width,
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(gdouble) height / wilber_height);
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factor = MIN (width / wilber_width, height / wilber_height);
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cairo_scale (cr, factor, factor);
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/* magic factors depend on the image used, everything else is generic
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*/
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cairo_translate (cr,
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- wilber_width * 0.6 - wilber_x,
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widget->allocation.height / factor
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- wilber_height * 1.1 - wilber_y);
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gimp_cairo_wilber (cr);
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gimp_cairo_wilber (cr,
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- wilber_width * 0.6,
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widget->allocation.height / factor - wilber_height * 1.1);
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cairo_set_source_rgba (cr,
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widget->style->fg[widget->state].red / 65535.0,
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widget->style->fg[widget->state].green / 65535.0,
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widget->style->fg[widget->state].blue / 65535.0,
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0.2);
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0.15);
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cairo_fill (cr);
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}
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@ -33,19 +33,74 @@
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#include <gimpcairo-wilber.h>
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/* This string is a path description as found in SVG files. You can
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* use Inkscape to create the SVG file, then copy the path from it.
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* It works best if you combine all paths into one. Inkscape has a
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* function to do that.
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*/
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static const gchar wilber_path[] =
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"M 509.72445,438.68864 C 501.47706,469.77945 464.95038,491.54566 431.85915,497.74874 C 438.5216,503.01688 442.87782,511.227 442.87782,520.37375 C 442.87783,536.24746 429.95607,549.0223 414.08235,549.0223 C 398.20863,549.0223 385.28688,536.24746 385.28688,520.37375 C 385.28688,511.52403 389.27666,503.61286 395.57098,498.3364 C 359.36952,495.90384 343.70976,463.95812 343.70975,463.95814 L 342.68134,509.64891 C 342.68134,514.35021 342.08391,519.96098 340.18378,528.3072 C 339.84664,527.80364 339.51399,527.33515 339.15537,526.83804 C 330.25511,514.5011 317.25269,507.81431 306.39317,508.76741 C 302.77334,509.08511 299.47017,510.33348 296.54982,512.4403 C 284.86847,520.86757 284.97665,540.94721 296.84366,557.3965 C 306.96274,571.42287 322.32232,578.25612 333.8664,574.73254 C 391.94635,615.17624 532.16931,642.41915 509.72445,438.68864 z M 363.24953,501.1278 C 373.83202,501.12778 382.49549,509.79127 382.49549,520.37375 C 382.49549,530.95624 373.83201,539.47279 363.24953,539.47279 C 352.66706,539.47279 344.1505,530.95624 344.1505,520.37375 C 344.15049,509.79129 352.66706,501.1278 363.24953,501.1278 z M 305.80551,516.1132 C 311.68466,516.11318 316.38344,521.83985 316.38344,528.89486 C 316.38345,535.94982 311.68467,541.67652 305.80551,541.67652 C 299.92636,541.67652 295.08067,535.94987 295.08067,528.89486 C 295.08065,521.83985 299.92636,516.1132 305.80551,516.1132 z M 440.821,552.54828 C 440.821,552.54828 448.7504,554.02388 453.8965,559.45332 C 457.41881,563.16951 457.75208,569.15506 456.98172,577.37703 C 456.21143,573.8833 454.89571,571.76659 453.8965,569.29666 C 443.01388,582.47662 413.42981,583.08929 376.0312,569.88433 C 416.63248,578.00493 437.38806,570.56014 449.48903,561.2163 C 446.29383,557.08917 440.821,552.54828 440.821,552.54828 z M 434.64723,524.59684 C 434.64723,532.23974 428.44429,538.44268 420.80139,538.44268 C 413.15849,538.44268 406.95555,532.23974 406.95555,524.59684 C 406.95555,516.95394 413.15849,510.751 420.80139,510.751 C 428.44429,510.751 434.64723,516.95394 434.64723,524.59684 z M 378.00043,522.99931 C 378.00043,527.70264 374.18324,531.51984 369.47991,531.51984 C 364.77658,531.51984 360.95939,527.70264 360.95939,522.99931 C 360.95939,518.29599 364.77658,514.47879 369.47991,514.47879 C 374.18324,514.47879 378.00043,518.29599 378.00043,522.99931 z ";
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static void parse_path_data (cairo_t *cr,
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const gchar *data);
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static gboolean wilber_extents_known = FALSE;
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static gdouble wilber_x1, wilber_y1;
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static gdouble wilber_x2, wilber_y2;
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static void wilber_parse_path_data (cairo_t *cr,
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const gchar *data);
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static void wilber_get_extents (cairo_t *cr);
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/**
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* gimp_cairo_wilber:
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* @cr: Cairo context
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*
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* Draw a Wilber path at position @x, @y.
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*/
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void
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gimp_cairo_wilber (cairo_t *cr)
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gimp_cairo_wilber (cairo_t *cr,
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gdouble x,
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gdouble y)
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{
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parse_path_data (cr, wilber_path);
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wilber_get_extents (cr);
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cairo_save (cr);
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cairo_translate (cr, x - wilber_x1, y - wilber_y1);
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wilber_parse_path_data (cr, wilber_path);
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cairo_restore (cr);
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}
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void
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gimp_cairo_wilber_get_size (cairo_t *cr,
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gdouble *width,
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gdouble *height)
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{
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wilber_get_extents (cr);
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*width = wilber_x2 - wilber_x1;
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*height = wilber_y2 - wilber_y1;
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}
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static void
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wilber_get_extents (cairo_t *cr)
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{
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if (! wilber_extents_known)
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{
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cairo_save (cr);
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wilber_parse_path_data (cr, wilber_path);
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cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
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cairo_fill_extents (cr, &wilber_x1, &wilber_y1, &wilber_x2, &wilber_y2);
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cairo_restore (cr);
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wilber_extents_known = TRUE;
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}
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}
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/**********************************************************/
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/* Below is the code that parses the actual path data. */
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@ -73,8 +128,8 @@ static void parse_path_do_cmd (ParsePathContext *ctx,
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static void
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parse_path_data (cairo_t *cr,
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const gchar *data)
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wilber_parse_path_data (cairo_t *cr,
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const gchar *data)
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{
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ParsePathContext ctx;
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@ -26,7 +26,12 @@
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#define __GIMP_CAIRO_WILBER_H__
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void gimp_cairo_wilber (cairo_t *cr);
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void gimp_cairo_wilber (cairo_t *cr,
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gdouble x,
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gdouble y);
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void gimp_cairo_wilber_get_size (cairo_t *cr,
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gdouble *width,
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gdouble *height);
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#endif /* __GIMP_CAIRO_WILBER_H__ */
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