101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/***************************************************************************
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gb.draw.h
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(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>
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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 2, or (at your option)
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any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __GB_DRAW_H
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#define __GB_DRAW_H
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#include "gb_common.h"
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#include "gambas.h"
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#define GB_DRAW_ALIGN_DEFAULT (-1)
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#define GB_DRAW_COLOR_DEFAULT (-1)
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enum {
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GB_DRAW_STATE_NORMAL = 0,
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GB_DRAW_STATE_DISABLED = 1,
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GB_DRAW_STATE_FOCUS = 2,
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GB_DRAW_STATE_HOVER = 4,
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GB_DRAW_STATE_ACTIVE = 8
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};
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typedef
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void *GB_PICTURE;
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typedef
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struct {
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int width;
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int height;
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}
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GB_PICTURE_INFO;
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#ifndef __GB_IMAGE_DEFINED
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#define __GB_IMAGE_DEFINED
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typedef
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void *GB_IMAGE;
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#endif
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#ifndef __GB_COLOR_DEFINED
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#define __GB_COLOR_DEFINED
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typedef
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unsigned int GB_COLOR;
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#endif
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typedef
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void *GB_FONT;
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#define DRAW_INTERFACE_VERSION 1
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typedef
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struct {
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int version;
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struct {
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void *(*GetCurrent)();
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void (*Begin)(void *);
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void (*End)();
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bool (*IsPainted)(void *);
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void (*SetBackground)(GB_COLOR color);
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void (*Translate)(float x, float y);
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void (*Scale)(float sx, float sy);
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}
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Paint;
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}
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DRAW_INTERFACE;
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#define DRAW_NORMALIZE(x, y, w, h, sx, sy, sw, sh, width, height) \
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if (sw < 0) sw = width; \
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if (sh < 0) sh = height; \
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if (w < 0) w = sw; \
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if (h < 0) h = sh; \
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if (sx < 0) sw += sx, sx = 0; \
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if (sy < 0) sh += sy, sy = 0; \
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if (sw > ((width) - sx)) \
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sw = ((width) - sx); \
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if (sh > ((height) - sy)) \
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sh = ((height) - sy); \
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if (sx >= (width) || sy >= (height) || sw <= 0 || sh <= 0) \
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return;
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#endif
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