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#include <Defines.h> |
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#include <global.h> |
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#include <debug.h> |
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#include <X11.h> |
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#include <CrUtil.h> |
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extern Pixmap *pixmaps; /* list of pixmaps */ |
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extern Pixmap *masks; /* list of pixmaps */ |
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/* Draw one of the tiles in a (potentially big) face. |
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* |
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* w, gc - Where you want to paint the face, um. |
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* x, y - The pixel co-ordinates of w where you want the face to appear. |
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* |
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* x_offset, y_offset: |
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* |
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* Which part of the big face you want to draw; how many tiles down and |
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* right from the head you want to offset into the face. |
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* |
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* If you want to draw the bottom-right corner of a 2 wide, 3 tall face, |
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* provide x_offset y_offset 1, 2. |
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* |
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* If you want the top-left corner or are drawing a single-tile face, |
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* give 0, 0. |
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*/ |
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void DrawFacePart ( |
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Widget w, GC gc, New_Face * face, int x, int y, |
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int x_offset, int y_offset |
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) { |
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int num = face->number; |
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if (displaymode == Dm_Png) { |
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XSetClipMask(XtDisplay(w), gc, masks[num]); |
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/* On the other hand, x and y will be bigger, so the mask will be in |
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the right place. */ |
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XSetClipOrigin(XtDisplay(w), gc, |
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x - FontSize * x_offset, |
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y - FontSize * y_offset); |
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XCopyArea(XtDisplay(w), pixmaps[num], XtWindow(w), gc, |
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FontSize * x_offset, FontSize * y_offset, |
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FontSize, FontSize, |
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x, y); |
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} |
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} |
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/* Draws one tile of op on w, gc at pixel (x, y). |
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* |
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* This does the Right Thing with multi-tile objects: It paints the |
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* particular part of the face when op is not the head, even for a big face. |
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* |
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* When op has a big face, DrawPartObject() calculates the offset to the |
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* head to draw the right part of the big face for op. |
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*/ |
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void DrawPartObject(Widget w, GC gc, object * op, int x, int y) { |
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int x_offset = 0, y_offset = 0; |
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if (op->head != NULL) { |
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if (op->face == op->head->face) { |
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/* We're not the head, but we've got the same face. Therefore, |
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we've got a big face; get the offset in tiles. */ |
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x_offset = op->x - op->head->x; |
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y_offset = op->y - op->head->y; |
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} |
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} |
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DrawFacePart(w, gc, |
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op->face, |
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x, y, |
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x_offset, y_offset); |
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} |
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/* |
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*Function: GCCreate |
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*Member-Of: Cr |
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*Description: |
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* Create suitable GC for Cr widgets. |
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*Commentary: |
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* There are inplicit use of use_pixmaps and color_pix, that should |
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* be removed by better structuring of program. |
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*/ |
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GC GCCreate (Widget w) { |
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GC gc; |
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gc= XtAllocateGC (w, 0, 0L, NULL, GCBackground | GCForeground, 0); |
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XSetGraphicsExposures(XtDisplay(w), gc, False); |
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return gc; |
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} |
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