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plug-ins: remove backbuffer from map-object

This commit is contained in:
Mikael Magnusson 2011-02-13 17:49:27 +01:00
parent e7cebf8943
commit 85474bff18
1 changed files with 4 additions and 46 deletions
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50
plug-ins/map-object/map-object-preview.c
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@ -17,18 +17,10 @@
#include "map-object-preview.h"
typedef struct
{
gint x, y, w, h;
cairo_surface_t *image;
} BackBuffer;
gdouble mat[3][4];
gint lightx, lighty;
static BackBuffer backbuf = { 0, 0, 0, 0, NULL };
/* Protos */
/* ====== */
@ -181,7 +173,7 @@ draw_light_marker (gint xpos,
gint ypos)
{
GdkColor color;
cairo_t *cr, *cr_p;
cairo_t *cr;
gint pw, ph, startx, starty;
if (mapvals.lightsource.type != POINT_LIGHT)
@ -204,40 +196,6 @@ draw_light_marker (gint xpos,
lightx = xpos;
lighty = ypos;
/* Save background */
/* =============== */
backbuf.x = lightx - 7;
backbuf.y = lighty - 7;
backbuf.w = 14;
backbuf.h = 14;
/* X doesn't like images that's outside a window, make sure */
/* we get the backbuffer image from within the boundaries */
/* ======================================================== */
if (backbuf.x < startx)
backbuf.x = startx;
else if ((backbuf.x + backbuf.w) > startx + pw)
backbuf.w = MAX(startx + pw - backbuf.x, 0);
if (backbuf.y < starty)
backbuf.y = starty;
else if ((backbuf.y + backbuf.h) > starty + ph)
backbuf.h = MAX(starty + ph - backbuf.y, 0);
if (backbuf.image)
cairo_surface_destroy (backbuf.image);
backbuf.image = cairo_surface_create_similar (preview_surface,
CAIRO_CONTENT_COLOR,
PREVIEW_WIDTH, PREVIEW_HEIGHT);
cr_p = cairo_create (backbuf.image);
cairo_rectangle (cr_p, backbuf.x, backbuf.y, backbuf.w, backbuf.h);
cairo_clip (cr_p);
cairo_set_source_surface (cr_p, preview_surface, startx, starty);
cairo_paint (cr_p);
cairo_destroy (cr_p);
cairo_arc (cr, lightx, lighty, 7, 0, 2 * M_PI);
cairo_fill (cr);
@ -287,9 +245,9 @@ update_light (gint xpos,
gtk_widget_queue_draw (previewarea);
}
/******************************************************************/
/* Draw preview image. if DoCompute is TRUE then recompute image. */
/******************************************************************/
/**************************/
/* Compute preview image. */
/**************************/
void
compute_preview_image (void)