blob: 11669ae4e5bb2709e838d526af22642284590aad (
plain)
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
|
// Ported from https://github.com/kiwi515/ogws/blob/master/src/nw4r/ut/ut_TagProcessorBase.cpp
#include "nw4r/ut.h"
namespace nw4r {
namespace ut {
template <typename T>
TagProcessorBase<T>::TagProcessorBase() {}
template <typename T>
TagProcessorBase<T>::~TagProcessorBase() {}
template <typename T>
Operation TagProcessorBase<T>::Process(u16 ch, PrintContext<T> *ctx) {
switch (ch) {
case '\n': ProcessLinefeed(ctx); return OPERATION_NEXT_LINE;
case '\t': ProcessTab(ctx); return OPERATION_NO_CHAR_SPACE;
}
return OPERATION_DEFAULT;
}
template <typename T>
Operation TagProcessorBase<T>::CalcRect(Rect *rect, u16 ch, PrintContext<T> *ctx) {
switch (ch) {
case '\n': {
const TextWriterBase<T> &writer = *ctx->writer;
rect->right = writer.GetCursorX();
rect->top = writer.GetCursorY();
ProcessLinefeed(ctx);
rect->left = writer.GetCursorX();
rect->bottom = writer.GetCursorY() + ctx->writer->GetFontHeight();
rect->Normalize();
return OPERATION_NEXT_LINE;
}
case '\t': {
const TextWriterBase<T> &writer = *ctx->writer;
rect->left = writer.GetCursorX();
ProcessTab(ctx);
rect->right = writer.GetCursorX();
rect->top = writer.GetCursorY();
rect->bottom = rect->top + writer.GetFontHeight();
rect->Normalize();
return OPERATION_NO_CHAR_SPACE;
}
}
return OPERATION_DEFAULT;
}
template <typename T>
void TagProcessorBase<T>::ProcessTab(PrintContext<T> *ctx) {
TextWriterBase<T> &writer = *ctx->writer;
int tabWidth = writer.GetTabWidth();
if (tabWidth <= 0) {
return;
}
f32 charWidth = writer.IsWidthFixed() ? writer.GetFixedWidth() : writer.GetFontWidth();
f32 dx = writer.GetCursorX() - ctx->x;
f32 tabPixel = tabWidth * charWidth;
int numTab = static_cast<int>(dx / tabPixel) + 1;
f32 x = ctx->x + (tabPixel * numTab);
writer.SetCursorX(x);
}
template <typename T>
void TagProcessorBase<T>::ProcessLinefeed(PrintContext<T> *ctx) {
TextWriterBase<T> &writer = *ctx->writer;
f32 x = ctx->x;
f32 y = writer.GetCursorY() + writer.GetLineHeight();
writer.SetCursorX(x);
writer.SetCursorY(y);
}
template class TagProcessorBase<char>;
template class TagProcessorBase<wchar_t>;
} // namespace ut
} // namespace nw4r
|
