92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/*
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* Roo/E, the Kangaroo Punch Portable GUI Toolkit
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* Copyright (C) 2022 Scott Duensing
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*
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* http://kangaroopunch.com
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*
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*
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* This file is part of Roo/E.
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*
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* Roo/E is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Affero General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* Roo/E is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Roo/E. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "../image.h"
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#include "picture.h"
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uint8_t __MAGIC_PICTURE = 0;
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static void pictureDestroy(struct WidgetS *widget, ...);
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static void picturePaint(struct WidgetS *widget, ...);
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void pictureClickSet(PictureT *picture, ClickHandlerT handler, void *data) {
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picture->base.reg->click = handler;
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picture->base.data = data;
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}
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PictureT *pictureCreate(char *filename, ...) {
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PictureT *p = NULL;
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NEW(PictureT, p);
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memset(p, 0, sizeof(PictureT));
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p->picture = imageLoad(filename);
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if (!p->picture) {
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DEL(p);
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return NULL;
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}
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guiWidgetBaseSet(W(p), __MAGIC_PICTURE, surfaceWidthGet(p->picture), surfaceHeightGet(p->picture));
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return p;
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}
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static void pictureDestroy(struct WidgetS *widget, ...) {
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PictureT *p = (PictureT *)widget;
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if (p->picture) DEL(p->picture);
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DEL(p);
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}
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static void picturePaint(struct WidgetS *widget, ...) {
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PictureT *p = (PictureT *)widget;
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if (guiWidgetDirtyGet(widget)) {
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guiWidgetDirtySet(widget, 0);
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// ***TODO*** Clipping.
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surfaceBlit(p->base.r.x, p->base.r.y, 0, 0, 0, 0, p->picture);
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}
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}
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RegisterT *pictureRegister(uint8_t magic) {
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static RegisterT reg = {
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"Picture",
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NULL, // No default on-click handler.
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pictureDestroy,
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picturePaint,
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NULL // No unregister handler.
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};
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// One-time widget startup code.
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__MAGIC_PICTURE = magic;
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return ®
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}
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