| 1 |
#include <Defines.h> |
| 2 |
#include <global.h> |
| 3 |
#include <debug.h> |
| 4 |
#include <X11.h> |
| 5 |
#include <CrUtil.h> |
| 6 |
|
| 7 |
|
| 8 |
extern Pixmap *pixmaps; /* list of pixmaps */ |
| 9 |
extern Pixmap *masks; /* list of pixmaps */ |
| 10 |
|
| 11 |
|
| 12 |
|
| 13 |
/* Draw one of the tiles in a (potentially big) face. |
| 14 |
* |
| 15 |
* w, gc - Where you want to paint the face, um. |
| 16 |
* x, y - The pixel co-ordinates of w where you want the face to appear. |
| 17 |
* |
| 18 |
* x_offset, y_offset: |
| 19 |
* |
| 20 |
* Which part of the big face you want to draw; how many tiles down and |
| 21 |
* right from the head you want to offset into the face. |
| 22 |
* |
| 23 |
* If you want to draw the bottom-right corner of a 2 wide, 3 tall face, |
| 24 |
* provide x_offset y_offset 1, 2. |
| 25 |
* |
| 26 |
* If you want the top-left corner or are drawing a single-tile face, |
| 27 |
* give 0, 0. |
| 28 |
*/ |
| 29 |
void DrawFacePart ( |
| 30 |
Widget w, GC gc, New_Face * face, int x, int y, |
| 31 |
int x_offset, int y_offset |
| 32 |
) { |
| 33 |
int num = face->number; |
| 34 |
|
| 35 |
if (displaymode == Dm_Png) { |
| 36 |
XSetClipMask(XtDisplay(w), gc, masks[num]); |
| 37 |
/* On the other hand, x and y will be bigger, so the mask will be in |
| 38 |
the right place. */ |
| 39 |
XSetClipOrigin(XtDisplay(w), gc, |
| 40 |
x - FontSize * x_offset, |
| 41 |
y - FontSize * y_offset); |
| 42 |
XCopyArea(XtDisplay(w), pixmaps[num], XtWindow(w), gc, |
| 43 |
FontSize * x_offset, FontSize * y_offset, |
| 44 |
FontSize, FontSize, |
| 45 |
x, y); |
| 46 |
} |
| 47 |
} |
| 48 |
|
| 49 |
/* Draws one tile of op on w, gc at pixel (x, y). |
| 50 |
* |
| 51 |
* This does the Right Thing with multi-tile objects: It paints the |
| 52 |
* particular part of the face when op is not the head, even for a big face. |
| 53 |
* |
| 54 |
* When op has a big face, DrawPartObject() calculates the offset to the |
| 55 |
* head to draw the right part of the big face for op. |
| 56 |
*/ |
| 57 |
void DrawPartObject(Widget w, GC gc, object * op, int x, int y) { |
| 58 |
|
| 59 |
int x_offset = 0, y_offset = 0; |
| 60 |
|
| 61 |
if (op->head != NULL) { |
| 62 |
if (op->face == op->head->face) { |
| 63 |
/* We're not the head, but we've got the same face. Therefore, |
| 64 |
we've got a big face; get the offset in tiles. */ |
| 65 |
x_offset = op->x - op->head->x; |
| 66 |
y_offset = op->y - op->head->y; |
| 67 |
} |
| 68 |
} |
| 69 |
|
| 70 |
DrawFacePart(w, gc, |
| 71 |
op->face, |
| 72 |
x, y, |
| 73 |
x_offset, y_offset); |
| 74 |
} |
| 75 |
|
| 76 |
/* |
| 77 |
*Function: GCCreate |
| 78 |
*Member-Of: Cr |
| 79 |
*Description: |
| 80 |
* Create suitable GC for Cr widgets. |
| 81 |
*Commentary: |
| 82 |
* There are inplicit use of use_pixmaps and color_pix, that should |
| 83 |
* be removed by better structuring of program. |
| 84 |
*/ |
| 85 |
GC GCCreate (Widget w) { |
| 86 |
GC gc; |
| 87 |
gc= XtAllocateGC (w, 0, 0L, NULL, GCBackground | GCForeground, 0); |
| 88 |
XSetGraphicsExposures(XtDisplay(w), gc, False); |
| 89 |
return gc; |
| 90 |
} |
| 91 |
|
| 92 |
|
