1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* Copyright (C) 2007 Kevin Watters, Kevin Ollivier. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AffineTransform.h"
#include "GlyphBuffer.h"
#include "GraphicsContext.h"
#include "SimpleFontData.h"
#include <wtf/MathExtras.h>
#include <wx/defs.h>
#if 1 // !wxUSE_CAIRO
#include <wx/dcclient.h>
#include <wx/dcgraph.h>
#include <wx/gdicmn.h>
#include <vector>
using namespace std;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
const double RAD2DEG = 180.0 / piDouble;
//-----------------------------------------------------------------------------
// Local functions
//-----------------------------------------------------------------------------
static inline double dmin(double a, double b) { return a < b ? a : b; }
static inline double dmax(double a, double b) { return a > b ? a : b; }
static inline double DegToRad(double deg) { return deg2rad(deg); }
static inline double RadToDeg(double rad) { return rad2deg(rad); }
#include "wx/msw/private.h"
// TODO remove this dependency (gdiplus needs the macros)
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
#include "gdiplus.h"
#if wxUSE_CAIRO
#include <cairo.h>
#include <cairo-win32.h>
#endif
namespace WebCore {
void drawTextWithSpacing(GraphicsContext* graphicsContext, const SimpleFontData* font, const wxColour& color, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point)
{
#if USE(WXGC)
wxGCDC* dc = static_cast<wxGCDC*>(graphicsContext->platformContext());
#else
wxDC* dc = graphicsContext->platformContext();
#endif
// get the native HDC handle to draw using native APIs
HDC hdc = 0;
float y = point.y() - font->fontMetrics().ascent();
float x = point.x();
#if USE(WXGC)
wxGraphicsContext* gc = dc->GetGraphicsContext();
#if wxUSE_CAIRO
cairo_t* context = (cairo_t*)gc->GetNativeContext();
if (context) {
cairo_surface_t* surface = cairo_get_target(context);
hdc = cairo_win32_surface_get_dc(surface);
}
#else
// when going from GdiPlus -> Gdi, any GdiPlus transformations are lost
// so we need to alter the coordinates to reflect their transformed point.
double xtrans = 0;
double ytrans = 0;
gc->GetTransform().TransformPoint(&xtrans, &ytrans);
Gdiplus::Graphics* g;
if (gc) {
g = (Gdiplus::Graphics*)gc->GetNativeContext();
hdc = g->GetHDC();
}
x += (int)xtrans;
y += (int)ytrans;
#endif // wxUSE_CAIRO
#else
hdc = static_cast<HDC>(dc->GetHDC());
#endif
// if the context has been scaled, we must manually re-apply that scale
// to the HDC.
FloatSize scale = graphicsContext->currentScale();
if (scale != FloatSize(1.0, 1.0)) {
SetGraphicsMode(hdc, GM_ADVANCED);
XFORM xForm;
xForm.eM11 = scale.width();
xForm.eM12 = 0.0;
xForm.eM21 = 0.0;
xForm.eM22 = scale.height();
xForm.eDx = 0.0;
xForm.eDy = 0.0;
SetWorldTransform(hdc, &xForm);
}
// ExtTextOut wants the offsets as an array of ints, so extract them
// from the glyph buffer
const GlyphBufferGlyph* glyphs = glyphBuffer.glyphs(from);
const GlyphBufferAdvance* advances = glyphBuffer.advances(from);
int* spacing = new int[numGlyphs - from];
for (unsigned i = 0; i < numGlyphs; ++i)
spacing[i] = advances[i].width();
wxFont* wxfont = font->getWxFont();
if (wxfont && wxfont->IsOk())
::SelectObject(hdc, GetHfontOf(*wxfont));
if (color.Ok())
::SetTextColor(hdc, color.GetPixel());
// do not draw background behind characters
::SetBkMode(hdc, TRANSPARENT);
// draw text with optional character widths array
wxString string = wxString((wxChar*)(&glyphs[from]), numGlyphs);
::ExtTextOut(hdc, x, y, ETO_GLYPH_INDEX, 0, reinterpret_cast<const WCHAR*>(glyphs), numGlyphs, spacing);
::SetBkMode(hdc, TRANSPARENT);
#if USE(WXGC) && !wxUSE_CAIRO
g->ReleaseHDC(hdc);
#endif
delete [] spacing;
}
}
#endif
|
