- moved font code into a subdirectory.
This commit is contained in:
Christoph Oelckers
parent
d5977e1802
commit
9dfffb6697
6 changed files with 261 additions and 192 deletions
454
src/v_text.cpp
454
src/v_text.cpp
|
|
@ -1,454 +0,0 @@
|
|||
/*
|
||||
** v_text.cpp
|
||||
** Draws text to a canvas. Also has a text line-breaker thingy.
|
||||
**
|
||||
**---------------------------------------------------------------------------
|
||||
** Copyright 1998-2006 Randy Heit
|
||||
** 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.
|
||||
** 3. The name of the author may not be used to endorse or promote products
|
||||
** derived from this software without specific prior written permission.
|
||||
**
|
||||
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <ctype.h>
|
||||
#include <wctype.h>
|
||||
|
||||
#include "v_text.h"
|
||||
|
||||
|
||||
#include "v_video.h"
|
||||
#include "w_wad.h"
|
||||
|
||||
#include "gstrings.h"
|
||||
#include "vm.h"
|
||||
#include "serializer.h"
|
||||
|
||||
int ListGetInt(VMVa_List &tags);
|
||||
|
||||
//==========================================================================
|
||||
//
|
||||
// DrawChar
|
||||
//
|
||||
// Write a single character using the given font
|
||||
//
|
||||
//==========================================================================
|
||||
|
||||
void DFrameBuffer::DrawChar (FFont *font, int normalcolor, double x, double y, int character, int tag_first, ...)
|
||||
{
|
||||
if (font == NULL)
|
||||
return;
|
||||
|
||||
if (normalcolor >= NumTextColors)
|
||||
normalcolor = CR_UNTRANSLATED;
|
||||
|
||||
FTexture *pic;
|
||||
int dummy;
|
||||
bool redirected;
|
||||
|
||||
if (NULL != (pic = font->GetChar (character, normalcolor, &dummy, &redirected)))
|
||||
{
|
||||
DrawParms parms;
|
||||
Va_List tags;
|
||||
va_start(tags.list, tag_first);
|
||||
bool res = ParseDrawTextureTags(pic, x, y, tag_first, tags, &parms, false);
|
||||
va_end(tags.list);
|
||||
if (!res)
|
||||
{
|
||||
return;
|
||||
}
|
||||
PalEntry color = 0xffffffff;
|
||||
parms.remap = redirected? nullptr : font->GetColorTranslation((EColorRange)normalcolor, &color);
|
||||
parms.color = PalEntry((color.a * parms.color.a) / 255, (color.r * parms.color.r) / 255, (color.g * parms.color.g) / 255, (color.b * parms.color.b) / 255);
|
||||
DrawTextureParms(pic, parms);
|
||||
}
|
||||
}
|
||||
|
||||
void DFrameBuffer::DrawChar(FFont *font, int normalcolor, double x, double y, int character, VMVa_List &args)
|
||||
{
|
||||
if (font == NULL)
|
||||
return;
|
||||
|
||||
if (normalcolor >= NumTextColors)
|
||||
normalcolor = CR_UNTRANSLATED;
|
||||
|
||||
FTexture *pic;
|
||||
int dummy;
|
||||
bool redirected;
|
||||
|
||||
if (NULL != (pic = font->GetChar(character, normalcolor, &dummy, &redirected)))
|
||||
{
|
||||
DrawParms parms;
|
||||
uint32_t tag = ListGetInt(args);
|
||||
bool res = ParseDrawTextureTags(pic, x, y, tag, args, &parms, false);
|
||||
if (!res) return;
|
||||
PalEntry color = 0xffffffff;
|
||||
parms.remap = redirected ? nullptr : font->GetColorTranslation((EColorRange)normalcolor, &color);
|
||||
parms.color = PalEntry((color.a * parms.color.a) / 255, (color.r * parms.color.r) / 255, (color.g * parms.color.g) / 255, (color.b * parms.color.b) / 255);
|
||||
DrawTextureParms(pic, parms);
|
||||
}
|
||||
}
|
||||
|
||||
DEFINE_ACTION_FUNCTION(_Screen, DrawChar)
|
||||
{
|
||||
PARAM_PROLOGUE;
|
||||
PARAM_POINTER(font, FFont);
|
||||
PARAM_INT(cr);
|
||||
PARAM_FLOAT(x);
|
||||
PARAM_FLOAT(y);
|
||||
PARAM_INT(chr);
|
||||
|
||||
PARAM_VA_POINTER(va_reginfo) // Get the hidden type information array
|
||||
|
||||
if (!screen->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
||||
VMVa_List args = { param + 5, 0, numparam - 6, va_reginfo + 5 };
|
||||
screen->DrawChar(font, cr, x, y, chr, args);
|
||||
return 0;
|
||||
}
|
||||
|
||||
//==========================================================================
|
||||
//
|
||||
// DrawText
|
||||
//
|
||||
// Write a string using the given font
|
||||
//
|
||||
//==========================================================================
|
||||
|
||||
void DFrameBuffer::DrawTextCommon(FFont *font, int normalcolor, double x, double y, const char *string, DrawParms &parms)
|
||||
{
|
||||
int w;
|
||||
const uint8_t *ch;
|
||||
int c;
|
||||
double cx;
|
||||
double cy;
|
||||
int boldcolor;
|
||||
FRemapTable *range;
|
||||
int kerning;
|
||||
FTexture *pic;
|
||||
|
||||
if (parms.celly == 0) parms.celly = font->GetHeight() + 1;
|
||||
parms.celly *= parms.scaley;
|
||||
|
||||
if (normalcolor >= NumTextColors)
|
||||
normalcolor = CR_UNTRANSLATED;
|
||||
boldcolor = normalcolor ? normalcolor - 1 : NumTextColors - 1;
|
||||
|
||||
PalEntry colorparm = parms.color;
|
||||
PalEntry color = 0xffffffff;
|
||||
range = font->GetColorTranslation((EColorRange)normalcolor, &color);
|
||||
parms.color = PalEntry(colorparm.a, (color.r * colorparm.r) / 255, (color.g * colorparm.g) / 255, (color.b * colorparm.b) / 255);
|
||||
|
||||
kerning = font->GetDefaultKerning();
|
||||
|
||||
ch = (const uint8_t *)string;
|
||||
cx = x;
|
||||
cy = y;
|
||||
|
||||
|
||||
auto currentcolor = normalcolor;
|
||||
while ((const char *)ch - string < parms.maxstrlen)
|
||||
{
|
||||
c = GetCharFromString(ch);
|
||||
if (!c)
|
||||
break;
|
||||
|
||||
if (c == TEXTCOLOR_ESCAPE)
|
||||
{
|
||||
EColorRange newcolor = V_ParseFontColor(ch, normalcolor, boldcolor);
|
||||
if (newcolor != CR_UNDEFINED)
|
||||
{
|
||||
range = font->GetColorTranslation(newcolor, &color);
|
||||
parms.color = PalEntry(colorparm.a, (color.r * colorparm.r) / 255, (color.g * colorparm.g) / 255, (color.b * colorparm.b) / 255);
|
||||
currentcolor = newcolor;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
if (c == '\n')
|
||||
{
|
||||
cx = x;
|
||||
cy += parms.celly;
|
||||
continue;
|
||||
}
|
||||
|
||||
bool redirected = false;
|
||||
if (NULL != (pic = font->GetChar(c, currentcolor, &w, &redirected)))
|
||||
{
|
||||
parms.remap = redirected? nullptr : range;
|
||||
SetTextureParms(&parms, pic, cx, cy);
|
||||
if (parms.cellx)
|
||||
{
|
||||
w = parms.cellx;
|
||||
parms.destwidth = parms.cellx;
|
||||
parms.destheight = parms.celly;
|
||||
}
|
||||
DrawTextureParms(pic, parms);
|
||||
}
|
||||
cx += (w + kerning) * parms.scalex;
|
||||
}
|
||||
}
|
||||
|
||||
void DFrameBuffer::DrawText(FFont *font, int normalcolor, double x, double y, const char *string, int tag_first, ...)
|
||||
{
|
||||
Va_List tags;
|
||||
DrawParms parms;
|
||||
|
||||
if (font == NULL || string == NULL)
|
||||
return;
|
||||
|
||||
va_start(tags.list, tag_first);
|
||||
bool res = ParseDrawTextureTags(nullptr, 0, 0, tag_first, tags, &parms, true);
|
||||
va_end(tags.list);
|
||||
if (!res)
|
||||
{
|
||||
return;
|
||||
}
|
||||
DrawTextCommon(font, normalcolor, x, y, string, parms);
|
||||
}
|
||||
|
||||
void DFrameBuffer::DrawText(FFont *font, int normalcolor, double x, double y, const char *string, VMVa_List &args)
|
||||
{
|
||||
DrawParms parms;
|
||||
|
||||
if (font == NULL || string == NULL)
|
||||
return;
|
||||
|
||||
uint32_t tag = ListGetInt(args);
|
||||
bool res = ParseDrawTextureTags(nullptr, 0, 0, tag, args, &parms, true);
|
||||
if (!res)
|
||||
{
|
||||
return;
|
||||
}
|
||||
DrawTextCommon(font, normalcolor, x, y, string, parms);
|
||||
}
|
||||
|
||||
DEFINE_ACTION_FUNCTION(_Screen, DrawText)
|
||||
{
|
||||
PARAM_PROLOGUE;
|
||||
PARAM_POINTER(font, FFont);
|
||||
PARAM_INT(cr);
|
||||
PARAM_FLOAT(x);
|
||||
PARAM_FLOAT(y);
|
||||
PARAM_STRING(chr);
|
||||
|
||||
PARAM_VA_POINTER(va_reginfo) // Get the hidden type information array
|
||||
|
||||
if (!screen->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
||||
VMVa_List args = { param + 5, 0, numparam - 6, va_reginfo + 5 };
|
||||
const char *txt = chr[0] == '$' ? GStrings(&chr[1]) : chr.GetChars();
|
||||
screen->DrawText(font, cr, x, y, txt, args);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
//==========================================================================
|
||||
//
|
||||
// Break long lines of text into multiple lines no longer than maxwidth pixels
|
||||
//
|
||||
//==========================================================================
|
||||
|
||||
static void breakit (FBrokenLines *line, FFont *font, const uint8_t *start, const uint8_t *stop, FString &linecolor)
|
||||
{
|
||||
if (!linecolor.IsEmpty())
|
||||
{
|
||||
line->Text = TEXTCOLOR_ESCAPE;
|
||||
line->Text += linecolor;
|
||||
}
|
||||
line->Text.AppendCStrPart ((const char *)start, stop - start);
|
||||
line->Width = font->StringWidth (line->Text);
|
||||
}
|
||||
|
||||
TArray<FBrokenLines> V_BreakLines (FFont *font, int maxwidth, const uint8_t *string, bool preservecolor)
|
||||
{
|
||||
TArray<FBrokenLines> Lines(128);
|
||||
|
||||
const uint8_t *space = NULL, *start = string;
|
||||
int c, w, nw;
|
||||
FString lastcolor, linecolor;
|
||||
bool lastWasSpace = false;
|
||||
int kerning = font->GetDefaultKerning ();
|
||||
|
||||
w = 0;
|
||||
|
||||
while ( (c = GetCharFromString(string)) )
|
||||
{
|
||||
if (c == TEXTCOLOR_ESCAPE)
|
||||
{
|
||||
if (*string)
|
||||
{
|
||||
if (*string == '[')
|
||||
{
|
||||
const uint8_t *start = string;
|
||||
while (*string != ']' && *string != '\0')
|
||||
{
|
||||
string++;
|
||||
}
|
||||
if (*string != '\0')
|
||||
{
|
||||
string++;
|
||||
}
|
||||
lastcolor = FString((const char *)start, string - start);
|
||||
}
|
||||
else
|
||||
{
|
||||
lastcolor = *string++;
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
if (iswspace(c))
|
||||
{
|
||||
if (!lastWasSpace)
|
||||
{
|
||||
space = string - 1;
|
||||
lastWasSpace = true;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
lastWasSpace = false;
|
||||
}
|
||||
|
||||
nw = font->GetCharWidth (c);
|
||||
|
||||
if ((w > 0 && w + nw > maxwidth) || c == '\n')
|
||||
{ // Time to break the line
|
||||
if (!space)
|
||||
space = string - 1;
|
||||
|
||||
auto index = Lines.Reserve(1);
|
||||
breakit (&Lines[index], font, start, space, linecolor);
|
||||
if (c == '\n' && !preservecolor)
|
||||
{
|
||||
lastcolor = ""; // Why, oh why, did I do it like this?
|
||||
}
|
||||
linecolor = lastcolor;
|
||||
|
||||
w = 0;
|
||||
lastWasSpace = false;
|
||||
start = space;
|
||||
space = NULL;
|
||||
|
||||
while (*start && iswspace (*start) && *start != '\n')
|
||||
start++;
|
||||
if (*start == '\n')
|
||||
start++;
|
||||
else
|
||||
while (*start && iswspace (*start))
|
||||
start++;
|
||||
string = start;
|
||||
}
|
||||
else
|
||||
{
|
||||
w += nw + kerning;
|
||||
}
|
||||
}
|
||||
|
||||
// String here is pointing one character after the '\0'
|
||||
if (--string - start >= 1)
|
||||
{
|
||||
const uint8_t *s = start;
|
||||
|
||||
while (s < string)
|
||||
{
|
||||
// If there is any non-white space in the remainder of the string, add it.
|
||||
if (!iswspace (*s++))
|
||||
{
|
||||
auto i = Lines.Reserve(1);
|
||||
breakit (&Lines[i], font, start, string, linecolor);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return Lines;
|
||||
}
|
||||
|
||||
FSerializer &Serialize(FSerializer &arc, const char *key, FBrokenLines& g, FBrokenLines *def)
|
||||
{
|
||||
if (arc.BeginObject(key))
|
||||
{
|
||||
arc("text", g.Text)
|
||||
("width", g.Width)
|
||||
.EndObject();
|
||||
}
|
||||
return arc;
|
||||
}
|
||||
|
||||
|
||||
|
||||
class DBrokenLines : public DObject
|
||||
{
|
||||
DECLARE_CLASS(DBrokenLines, DObject)
|
||||
|
||||
public:
|
||||
TArray<FBrokenLines> mBroken;
|
||||
|
||||
DBrokenLines() = default;
|
||||
|
||||
DBrokenLines(TArray<FBrokenLines> &broken)
|
||||
{
|
||||
mBroken = std::move(broken);
|
||||
}
|
||||
|
||||
void Serialize(FSerializer &arc) override
|
||||
{
|
||||
arc("lines", mBroken);
|
||||
}
|
||||
};
|
||||
|
||||
IMPLEMENT_CLASS(DBrokenLines, false, false);
|
||||
|
||||
DEFINE_ACTION_FUNCTION(DBrokenLines, Count)
|
||||
{
|
||||
PARAM_SELF_PROLOGUE(DBrokenLines);
|
||||
ACTION_RETURN_INT(self->mBroken.Size());
|
||||
}
|
||||
|
||||
DEFINE_ACTION_FUNCTION(DBrokenLines, StringWidth)
|
||||
{
|
||||
PARAM_SELF_PROLOGUE(DBrokenLines);
|
||||
PARAM_INT(index);
|
||||
ACTION_RETURN_INT((unsigned)index >= self->mBroken.Size()? -1 : self->mBroken[index].Width);
|
||||
}
|
||||
|
||||
DEFINE_ACTION_FUNCTION(DBrokenLines, StringAt)
|
||||
{
|
||||
|
||||
PARAM_SELF_PROLOGUE(DBrokenLines);
|
||||
PARAM_INT(index);
|
||||
ACTION_RETURN_STRING((unsigned)index >= self->mBroken.Size() ? -1 : self->mBroken[index].Text);
|
||||
}
|
||||
|
||||
DEFINE_ACTION_FUNCTION(FFont, BreakLines)
|
||||
{
|
||||
PARAM_SELF_STRUCT_PROLOGUE(FFont);
|
||||
PARAM_STRING(text);
|
||||
PARAM_INT(maxwidth);
|
||||
|
||||
auto broken = V_BreakLines(self, maxwidth, text, true);
|
||||
ACTION_RETURN_OBJECT(Create<DBrokenLines>(broken));
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue