114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/*
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* Kangaroo Punch MultiPlayer Game Server Mark II
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* Copyright (C) 2020-2021 Scott Duensing
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "picture.h"
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static void pictureMouseEvent(WidgetT *widget, MouseT *mouse, uint16_t x, uint16_t y, uint8_t event);
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static void picturePaint(WidgetT *widget);
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void pictureDel(WidgetT **widget) {
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PictureT *p = (PictureT *)*widget;
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if (p->image) imageUnload(&p->image);
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if (p->filename) free(p->filename);
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free(p);
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p = NULL;
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}
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WidgetT *pictureInit(WidgetT *widget, uint16_t x, uint16_t y, char *filename) {
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PictureT *l = (PictureT *)widget;
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l->base.magic = MAGIC_PICTURE;
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l->base.x = x;
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l->base.y = y;
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l->base.delMethod = pictureDel;
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l->base.paintMethod = picturePaint;
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l->base.mouseEventMethod = pictureMouseEvent;
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l->filename = strdup(filename);
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l->clicked = NULL;
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l->image = imageLoad(l->filename);
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if (!l->image) {
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free(l->filename);
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return NULL;
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}
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l->base.w = imageWidthGet(l->image);
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l->base.h = imageHeightGet(l->image);
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return widget;
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}
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static void pictureMouseEvent(WidgetT *widget, MouseT *mouse, uint16_t x, uint16_t y, uint8_t event) {
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PictureT *p = (PictureT *)widget;
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(void)x;
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(void)y;
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(void)mouse;
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// Fire callback on mouse up.
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if (event == MOUSE_EVENT_LEFT_UP) {
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if (p->clicked) p->clicked(widget);
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}
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}
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PictureT *pictureNew(uint16_t x, uint16_t y, char *filename) {
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PictureT *picture = (PictureT *)malloc(sizeof(PictureT));
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WidgetT *widget = NULL;
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if (!picture) return NULL;
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widget = widgetInit((WidgetT *)picture);
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if (!widget) {
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free(picture);
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return NULL;
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}
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picture = (PictureT *)pictureInit((WidgetT *)picture, x, y, filename);
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if (!picture) {
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free(picture);
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return NULL;
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}
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return picture;
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}
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static void picturePaint(WidgetT *widget) {
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PictureT *p = (PictureT *)widget;
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if (GUI_GET_FLAG(widget, WIDGET_FLAG_DIRTY)) {
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vbeSurfaceSet(p->base.surface);
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imageRender(p->image, p->base.x, p->base.y);
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GUI_CLEAR_FLAG(widget, WIDGET_FLAG_DIRTY);
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}
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}
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void pictureSetClickHandler(PictureT *picture, widgetCallback callback) {
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picture->clicked = callback;
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}
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