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Diffstat (limited to 'app/wlib/gtklib/gtkdraw-cairo.c')
-rw-r--r--app/wlib/gtklib/gtkdraw-cairo.c118
1 files changed, 62 insertions, 56 deletions
diff --git a/app/wlib/gtklib/gtkdraw-cairo.c b/app/wlib/gtklib/gtkdraw-cairo.c
index e9b6447..9fc7eab 100644
--- a/app/wlib/gtklib/gtkdraw-cairo.c
+++ b/app/wlib/gtklib/gtkdraw-cairo.c
@@ -47,31 +47,31 @@ struct wDrawBitMap_t {
GdkBitmap * mask;
};
-struct wDraw_t {
- WOBJ_COMMON
- void * context;
- wDrawActionCallBack_p action;
- wDrawRedrawCallBack_p redraw;
+//struct wDraw_t {
+ //WOBJ_COMMON
+ //void * context;
+ //wDrawActionCallBack_p action;
+ //wDrawRedrawCallBack_p redraw;
- GdkPixmap * pixmap;
- GdkPixmap * pixmapBackup;
+ //GdkPixmap * pixmap;
+ //GdkPixmap * pixmapBackup;
- double dpi;
+ //double dpi;
- GdkGC * gc;
- wDrawWidth lineWidth;
- wDrawOpts opts;
- wPos_t maxW;
- wPos_t maxH;
- unsigned long lastColor;
- wBool_t lastColorInverted;
- const char * helpStr;
+ //GdkGC * gc;
+ //wDrawWidth lineWidth;
+ //wDrawOpts opts;
+ //wPos_t maxW;
+ //wPos_t maxH;
+ //unsigned long lastColor;
+ //wBool_t lastColorInverted;
+ //const char * helpStr;
- wPos_t lastX;
- wPos_t lastY;
+ //wPos_t lastX;
+ //wPos_t lastY;
- wBool_t delayUpdate;
- };
+ //wBool_t delayUpdate;
+ //};
struct wDraw_t psPrint_d;
@@ -98,7 +98,7 @@ struct wDraw_t psPrint_d;
*
*******************************************************************************/
-
+
static GdkGC * selectGC(
wDraw_p bd,
@@ -301,10 +301,10 @@ EXPORT void wDrawArc(
y = INMAPY(bd,y0+r);
w = 2*r;
h = 2*r;
-
+
// remove the old arc
gdk_draw_arc( bd->pixmap, gc, FALSE, x, y, w, h, (int)((-angle0 + 90)*64.0), (int)(-angle1*64.0) );
-
+
// and its center point
if (drawCenter) {
x = INMAPX(bd,x0);
@@ -312,7 +312,7 @@ EXPORT void wDrawArc(
gdk_draw_line( bd->pixmap, gc, x - ( CENTERMARK_LENGTH/2), y, x + ( CENTERMARK_LENGTH/2), y );
gdk_draw_line( bd->pixmap, gc, x, y - ( CENTERMARK_LENGTH/2), x, y + ( CENTERMARK_LENGTH/2));
}
-
+
// now create the new arc
cairo_t* cairo = gtkDrawCreateCairoContext(bd, width, lineType, color, opts);
cairo_new_path(cairo);
@@ -331,7 +331,7 @@ EXPORT void wDrawArc(
// draw the curve itself
cairo_arc_negative(cairo, INMAPX(bd, x0), INMAPY(bd, y0), r, (angle0 - 90 + angle1) * (M_PI / 180.0), (angle0 - 90) * (M_PI / 180.0));
cairo_stroke(cairo);
-
+
gtkDrawDestroyCairoContext(cairo);
if ( bd->delayUpdate || bd->widget == NULL) return;
@@ -341,7 +341,7 @@ EXPORT void wDrawArc(
update_rect.width = w+2+width+width;
update_rect.height = h+2+width+width;
gtk_widget_draw( bd->widget, &update_rect );
-
+
}
EXPORT void wDrawPoint(
@@ -397,18 +397,18 @@ EXPORT void wDrawString(
gint ascent;
gint descent;
double angle = -M_PI * a / 180.0;
-
+
if ( bd == &psPrint_d ) {
psPrintString( x, y, a, (char *) s, fp, fs, color, opts );
return;
}
-
+
x = INMAPX(bd,x);
y = INMAPY(bd,y);
-
+
/* draw text */
cairo_t* cairo = gtkDrawCreateCairoContext(bd, 0, wDrawLineSolid, color, opts);
-
+
cairo_save( cairo );
cairo_translate( cairo, x, y );
cairo_rotate( cairo, angle );
@@ -423,18 +423,18 @@ EXPORT void wDrawString(
cairo_set_source_rgb(cairo, gcolor->red / 65535.0, gcolor->green / 65535.0, gcolor->blue / 65535.0);
cairo_move_to( cairo, 0, -ascent );
-
+
pango_cairo_show_layout(cairo, layout);
gtkFontDestroyPangoLayout(layout);
cairo_restore( cairo );
gtkDrawDestroyCairoContext(cairo);
-
+
if (bd->delayUpdate || bd->widget == NULL) return;
-
- /* recalculate the area to be updated
+
+ /* recalculate the area to be updated
* for simplicity sake I added plain text height ascent and descent,
- * mathematically correct would be to use the trigonometrical functions as well
- */
+ * mathematically correct would be to use the trigonometrical functions as well
+ */
update_rect.x = (gint) x - ascent - descent - 1;
update_rect.y = (gint) y - (gint) ascent - 1;
update_rect.width = (gint) (w * cos( angle ) + 2 + ascent + descent);
@@ -455,19 +455,19 @@ EXPORT void wDrawGetTextSize(
int textHeight;
int ascent;
int descent;
-
+
*w = 0;
*h = 0;
-
+
gtkFontDestroyPangoLayout(
gtkFontCreatePangoLayout(bd->widget, NULL, fp, fs, s,
&textWidth, (int *) &textHeight,
(int *) &ascent, (int *) &descent));
-
+
*w = (wPos_t) textWidth;
*h = (wPos_t) ascent;
*d = (wPos_t) descent;
-
+
if (debugWindow >= 3)
fprintf(stderr, "text metrics: w=%d, h=%d, d=%d\n", *w, *h, *d);
}
@@ -670,7 +670,7 @@ EXPORT wDrawBitMap_p wDrawBitMapCreate(
const char * fbits )
{
wDrawBitMap_p bm;
-
+
bm = (wDrawBitMap_p)malloc( sizeof *bm );
bm->w = w;
bm->h = h;
@@ -738,7 +738,7 @@ EXPORT void wDrawBitMap(
}
}
#ifdef LATER
- gdk_draw_pixmap(bd->pixmap, gc,
+ gdk_draw_pixmap(bd->pixmap, gc,
bm->pixmap,
0, 0,
x, y,
@@ -752,7 +752,7 @@ EXPORT void wDrawBitMap(
update_rect.height = bm->h;
gtk_widget_draw( bd->widget, &update_rect );
}
-
+
/*******************************************************************************
*
@@ -760,7 +760,7 @@ EXPORT void wDrawBitMap(
*
*******************************************************************************/
-
+
EXPORT void wDrawSaveImage(
wDraw_p bd )
@@ -795,7 +795,7 @@ EXPORT void wDrawRestoreImage(
0, 0,
0, 0,
bd->w, bd->h );
-
+
if ( bd->delayUpdate || bd->widget == NULL ) return;
update_rect.x = 0;
update_rect.y = 0;
@@ -849,13 +849,19 @@ EXPORT void wDrawGetSize(
*h = bd->h-2;
}
+/**
+ * Return the resolution of a device in dpi
+ *
+ * \param d IN the device
+ * \return the resolution in dpi
+ */
EXPORT double wDrawGetDPI(
wDraw_p d )
{
- if (d == &psPrint_d)
- return 1440.0;
- else
+ //if (d == &psPrint_d)
+ //return 1440.0;
+ //else
return d->dpi;
}
@@ -927,20 +933,20 @@ static gint draw_scroll_event(
case GDK_SCROLL_UP:
action = wActionWheelUp;
break;
- case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_DOWN:
action = wActionWheelDown;
- break;
+ break;
default:
action = 0;
break;
- }
+ }
if (action != 0) {
if (drawVerbose >= 2)
printf( "%s[%dx%d]\n", actionNames[action], bd->lastX, bd->lastY );
bd->action( bd, bd->context, action, bd->lastX, bd->lastY );
}
-
+
return TRUE;
}
@@ -979,7 +985,7 @@ static gint draw_button_event(
case 3: /* right mouse button */
action = event->type==GDK_BUTTON_PRESS?wActionRDown:wActionRUp;
/*bd->action( bd, bd->context, event->type==GDK_BUTTON_PRESS?wActionRDown:wActionRUp, bd->lastX, bd->lastY );*/
- break;
+ break;
}
if (action != 0) {
if (drawVerbose >= 2)
@@ -1009,7 +1015,7 @@ static gint draw_motion_event(
y = event->y;
state = event->state;
}
-
+
if (state & GDK_BUTTON1_MASK) {
action = wActionLDrag;
} else if (state & GDK_BUTTON3_MASK) {
@@ -1062,9 +1068,9 @@ static gint draw_char_event(
case GDK_F10: extKey = wAccelKey_F10; break;
case GDK_F11: extKey = wAccelKey_F11; break;
case GDK_F12: extKey = wAccelKey_F12; break;
- default: ;
+ default: ;
}
-
+
if (extKey != wAccelKey_None) {
if ( gtkFindAccelKey( event ) == NULL ) {
bd->action( bd, bd->context, wActionExtKey + ((int)extKey<<8), bd->lastX, bd->lastY );
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 00:36:11 +0000