RetroZilla/gfx/thebes/public/gfxPattern.h
2015-10-20 23:03:22 -04:00

115 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Oracle Corporation code.
*
* The Initial Developer of the Original Code is Oracle Corporation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <pavlov@pavlov.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef GFX_PATTERN_H
#define GFX_PATTERN_H
#include <cairo.h>
#include "gfxColor.h"
#include "gfxASurface.h"
#include "gfxMatrix.h"
#include "gfxTypes.h"
class gfxPattern {
THEBES_DECL_REFCOUNTING
public:
// from another surface
gfxPattern(gfxASurface* surface) {
mPattern = cairo_pattern_create_for_surface(surface->CairoSurface());
}
// linear
gfxPattern(gfxFloat x0, gfxFloat y0, gfxFloat x1, gfxFloat y1) {
mPattern = cairo_pattern_create_linear(x0, y0, x1, y1);
}
// radial
gfxPattern(gfxFloat cx0, gfxFloat cy0, gfxFloat radius0,
gfxFloat cx1, gfxFloat cy1, gfxFloat radius1) {
mPattern = cairo_pattern_create_radial(cx0, cy0, radius0,
cx1, cy1, radius1);
}
virtual ~gfxPattern() {
cairo_pattern_destroy(mPattern);
}
cairo_pattern_t *CairoPattern() {
return mPattern;
}
void AddColorStop(gfxFloat offset, const gfxRGBA& c) {
cairo_pattern_add_color_stop_rgba(mPattern, offset, c.r, c.g, c.b, c.a);
}
void SetMatrix(const gfxMatrix& matrix) {
cairo_matrix_t mat = matrix.ToCairoMatrix();
cairo_pattern_set_matrix(mPattern, &mat);
}
gfxMatrix CurrentMatrix() const {
cairo_matrix_t mat;
cairo_pattern_get_matrix(mPattern, &mat);
return gfxMatrix(mat);
}
// none, repeat, reflect
void SetExtend(int extend) {
cairo_pattern_set_extend(mPattern, (cairo_extend_t)extend);
}
int Extend() const {
return (int)cairo_pattern_get_extend(mPattern);
}
void SetFilter(int filter) {
cairo_pattern_set_filter(mPattern, (cairo_filter_t)filter);
}
int Filter() const {
return (int)cairo_pattern_get_filter(mPattern);
}
protected:
gfxPattern(cairo_pattern_t *pattern) : mPattern(pattern) {}
cairo_pattern_t *mPattern;
};
#endif /* GFX_PATTERN_H */