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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
#include "windows_container.h"
#define _USE_MATH_DEFINES
#include <math.h>
#include "cairo_font.h"
#include <strsafe.h>
windows_container::windows_container(void)
{
m_temp_surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 2, 2);
m_temp_cr = cairo_create(m_temp_surface);
m_font_link = NULL;
CoCreateInstance(CLSID_CMultiLanguage, NULL, CLSCTX_ALL, IID_IMLangFontLink2, (void**) &m_font_link);
}
windows_container::~windows_container(void)
{
clear_images();
if(m_font_link)
{
m_font_link->Release();
}
cairo_surface_destroy(m_temp_surface);
cairo_destroy(m_temp_cr);
}
litehtml::uint_ptr windows_container::create_font( const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm )
{
std::wstring fnt_name = L"sans-serif";
litehtml::string_vector fonts;
litehtml::split_string(faceName, fonts, ",");
if(!fonts.empty())
{
litehtml::trim(fonts[0]);
fnt_name = cairo_font::utf8_to_wchar(fonts[0]);
if (fnt_name.front() == L'"' || fnt_name.front() == L'\'')
{
fnt_name.erase(0, 1);
}
if (fnt_name.back() == L'"' || fnt_name.back() == L'\'')
{
fnt_name.erase(fnt_name.length() - 1, 1);
}
}
cairo_font* fnt = new cairo_font( m_font_link,
fnt_name.c_str(),
size,
weight,
(italic == litehtml::font_style_italic) ? TRUE : FALSE,
(decoration & litehtml::font_decoration_linethrough) ? TRUE : FALSE,
(decoration & litehtml::font_decoration_underline) ? TRUE : FALSE);
cairo_save(m_temp_cr);
fnt->load_metrics(m_temp_cr);
if(fm)
{
fm->ascent = fnt->metrics().ascent;
fm->descent = fnt->metrics().descent;
fm->height = fnt->metrics().height;
fm->x_height = fnt->metrics().x_height;
if(italic == litehtml::font_style_italic || decoration)
{
fm->draw_spaces = true;
} else
{
fm->draw_spaces = false;
}
}
cairo_restore(m_temp_cr);
return (litehtml::uint_ptr) fnt;
}
void windows_container::delete_font( litehtml::uint_ptr hFont )
{
cairo_font* fnt = (cairo_font*) hFont;
if(fnt)
{
delete fnt;
}
}
int windows_container::text_width( const char* text, litehtml::uint_ptr hFont )
{
cairo_font* fnt = (cairo_font*) hFont;
cairo_save(m_temp_cr);
int ret = fnt->text_width(m_temp_cr, text);
cairo_restore(m_temp_cr);
return ret;
}
void windows_container::draw_text( litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos )
{
if(hFont)
{
cairo_font* fnt = (cairo_font*) hFont;
cairo_t* cr = (cairo_t*) hdc;
cairo_save(cr);
apply_clip(cr);
int x = pos.left();
int y = pos.bottom() - fnt->metrics().descent;
set_color(cr, color);
fnt->show_text(cr, x, y, text);
cairo_restore(cr);
}
}
litehtml::string windows_container::resolve_color(const litehtml::string& color) const
{
struct custom_color
{
const char* name;
int color_index;
};
static custom_color colors[] = {
{ "ActiveBorder", COLOR_ACTIVEBORDER},
{ "ActiveCaption", COLOR_ACTIVECAPTION},
{ "AppWorkspace", COLOR_APPWORKSPACE },
{ "Background", COLOR_BACKGROUND },
{ "ButtonFace", COLOR_BTNFACE },
{ "ButtonHighlight", COLOR_BTNHIGHLIGHT },
{ "ButtonShadow", COLOR_BTNSHADOW },
{ "ButtonText", COLOR_BTNTEXT },
{ "CaptionText", COLOR_CAPTIONTEXT },
{ "GrayText", COLOR_GRAYTEXT },
{ "Highlight", COLOR_HIGHLIGHT },
{ "HighlightText", COLOR_HIGHLIGHTTEXT },
{ "InactiveBorder", COLOR_INACTIVEBORDER },
{ "InactiveCaption", COLOR_INACTIVECAPTION },
{ "InactiveCaptionText", COLOR_INACTIVECAPTIONTEXT },
{ "InfoBackground", COLOR_INFOBK },
{ "InfoText", COLOR_INFOTEXT },
{ "Menu", COLOR_MENU },
{ "MenuText", COLOR_MENUTEXT },
{ "Scrollbar", COLOR_SCROLLBAR },
{ "ThreeDDarkShadow", COLOR_3DDKSHADOW },
{ "ThreeDFace", COLOR_3DFACE },
{ "ThreeDHighlight", COLOR_3DHILIGHT },
{ "ThreeDLightShadow", COLOR_3DLIGHT },
{ "ThreeDShadow", COLOR_3DSHADOW },
{ "Window", COLOR_WINDOW },
{ "WindowFrame", COLOR_WINDOWFRAME },
{ "WindowText", COLOR_WINDOWTEXT }
};
for (auto& clr : colors)
{
if (!litehtml::t_strcasecmp(clr.name, color.c_str()))
{
char str_clr[20];
DWORD rgb_color = GetSysColor(clr.color_index);
StringCchPrintfA(str_clr, 20, "#%02X%02X%02X", GetRValue(rgb_color), GetGValue(rgb_color), GetBValue(rgb_color));
return std::move(litehtml::string(str_clr));
}
}
return std::move(litehtml::string());
}
cairo_surface_t* windows_container::get_image(const std::string& url)
{
return nullptr;
}
double windows_container::get_screen_dpi() const
{
HDC hdc = GetDC(NULL);
int ret = GetDeviceCaps(hdc, LOGPIXELSX);
ReleaseDC(NULL, hdc);
return ret;
}
int windows_container::get_screen_width() const
{
HDC hdc = GetDC(NULL);
int ret = GetDeviceCaps(hdc, HORZRES);
ReleaseDC(NULL, hdc);
return ret;
}
int windows_container::get_screen_height() const
{
HDC hdc = GetDC(NULL);
int ret = GetDeviceCaps(hdc, VERTRES);
ReleaseDC(NULL, hdc);
return ret;
}
|
