mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-14 16:40:40 +00:00
422 lines
11 KiB
C++
422 lines
11 KiB
C++
/*
|
|
** 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 "utf8.h"
|
|
#include "v_draw.h"
|
|
#include "gstrings.h"
|
|
#include "vm.h"
|
|
#include "printf.h"
|
|
|
|
int ListGetInt(VMVa_List &tags);
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Create a texture from a text in a given font.
|
|
//
|
|
//==========================================================================
|
|
#if 0
|
|
FGameTexture * BuildTextTexture(FFont *font, const char *string, int textcolor)
|
|
{
|
|
int w;
|
|
const uint8_t *ch;
|
|
int cx;
|
|
int cy;
|
|
int trans = -1;
|
|
int kerning;
|
|
FGameTexture *pic;
|
|
|
|
kerning = font->GetDefaultKerning();
|
|
|
|
ch = (const uint8_t *)string;
|
|
cx = 0;
|
|
cy = 0;
|
|
|
|
|
|
IntRect box;
|
|
|
|
while (auto c = GetCharFromString(ch))
|
|
{
|
|
if (c == TEXTCOLOR_ESCAPE)
|
|
{
|
|
// Here we only want to measure the texture so just parse over the color.
|
|
V_ParseFontColor(ch, 0, 0);
|
|
continue;
|
|
}
|
|
|
|
if (c == '\n')
|
|
{
|
|
cx = 0;
|
|
cy += font->GetHeight();
|
|
continue;
|
|
}
|
|
|
|
if (nullptr != (pic = font->GetChar(c, CR_UNTRANSLATED, &w, nullptr)))
|
|
{
|
|
auto img = pic->GetImage();
|
|
auto offsets = img->GetOffsets();
|
|
int x = cx - offsets.first;
|
|
int y = cy - offsets.second;
|
|
int ww = img->GetWidth();
|
|
int h = img->GetHeight();
|
|
|
|
box.AddToRect(x, y);
|
|
box.AddToRect(x + ww, y + h);
|
|
}
|
|
cx += (w + kerning);
|
|
}
|
|
|
|
cx = -box.left;
|
|
cy = -box.top;
|
|
|
|
TArray<TexPart> part(strlen(string));
|
|
|
|
while (auto c = GetCharFromString(ch))
|
|
{
|
|
if (c == TEXTCOLOR_ESCAPE)
|
|
{
|
|
EColorRange newcolor = V_ParseFontColor(ch, textcolor, textcolor);
|
|
if (newcolor != CR_UNDEFINED)
|
|
{
|
|
trans = font->GetColorTranslation(newcolor);
|
|
textcolor = newcolor;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (c == '\n')
|
|
{
|
|
cx = 0;
|
|
cy += font->GetHeight();
|
|
continue;
|
|
}
|
|
|
|
if (nullptr != (pic = font->GetChar(c, textcolor, &w, nullptr)))
|
|
{
|
|
auto img = pic->GetImage();
|
|
auto offsets = img->GetOffsets();
|
|
int x = cx - offsets.first;
|
|
int y = cy - offsets.second;
|
|
|
|
auto &tp = part[part.Reserve(1)];
|
|
|
|
tp.OriginX = x;
|
|
tp.OriginY = y;
|
|
tp.Image = img;
|
|
tp.Translation = range;
|
|
}
|
|
cx += (w + kerning);
|
|
}
|
|
FMultiPatchTexture *image = new FMultiPatchTexture(box.width, box.height, part, false, false);
|
|
image->SetOffsets(-box.left, -box.top);
|
|
FImageTexture *tex = new FImageTexture(image, "");
|
|
tex->SetUseType(ETextureType::MiscPatch);
|
|
TexMan.AddTexture(tex);
|
|
return tex;
|
|
}
|
|
#endif
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// DrawChar
|
|
//
|
|
// Write a single character using the given font
|
|
//
|
|
//==========================================================================
|
|
|
|
void DrawChar(F2DDrawer *drawer, FFont* font, int normalcolor, double x, double y, int character, int tag_first, ...)
|
|
{
|
|
if (font == NULL)
|
|
return;
|
|
|
|
if (normalcolor >= NumTextColors)
|
|
normalcolor = CR_UNTRANSLATED;
|
|
|
|
FGameTexture* 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(drawer, pic, x, y, tag_first, tags, &parms, false);
|
|
va_end(tags.list);
|
|
if (!res)
|
|
{
|
|
return;
|
|
}
|
|
PalEntry color = 0xffffffff;
|
|
parms.TranslationId = redirected ? -1 : 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);
|
|
drawer->AddTexture(pic, parms);
|
|
}
|
|
}
|
|
|
|
void DrawChar(F2DDrawer *drawer, FFont *font, int normalcolor, double x, double y, int character, VMVa_List &args)
|
|
{
|
|
if (font == NULL)
|
|
return;
|
|
|
|
if (normalcolor >= NumTextColors)
|
|
normalcolor = CR_UNTRANSLATED;
|
|
|
|
FGameTexture *pic;
|
|
int dummy;
|
|
bool redirected;
|
|
|
|
if (NULL != (pic = font->GetChar(character, normalcolor, &dummy, &redirected)))
|
|
{
|
|
DrawParms parms;
|
|
uint32_t tag = ListGetInt(args);
|
|
bool res = ParseDrawTextureTags(drawer, pic, x, y, tag, args, &parms, false);
|
|
if (!res) return;
|
|
PalEntry color = 0xffffffff;
|
|
parms.TranslationId = redirected ? -1 : 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);
|
|
drawer->AddTexture(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 (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
|
VMVa_List args = { param + 5, 0, numparam - 6, va_reginfo + 5 };
|
|
DrawChar(twod, font, cr, x, y, chr, args);
|
|
return 0;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DrawText
|
|
//
|
|
// Write a string using the given font
|
|
//
|
|
//==========================================================================
|
|
|
|
// This is only needed as a dummy. The code using wide strings does not need color control.
|
|
EColorRange V_ParseFontColor(const char32_t *&color_value, int normalcolor, int boldcolor) { return CR_UNTRANSLATED; }
|
|
|
|
template<class chartype>
|
|
void DrawTextCommon(F2DDrawer *drawer, FFont *font, int normalcolor, double x, double y, const chartype *string, DrawParms &parms)
|
|
{
|
|
int w;
|
|
const chartype *ch;
|
|
int c;
|
|
double cx;
|
|
double cy;
|
|
int boldcolor;
|
|
int trans = -1;
|
|
int kerning;
|
|
FGameTexture *pic;
|
|
|
|
double scalex = parms.scalex * parms.patchscalex;
|
|
double scaley = parms.scaley * parms.patchscaley;
|
|
|
|
if (parms.celly == 0) parms.celly = font->GetHeight() + 1;
|
|
parms.celly *= scaley;
|
|
|
|
bool palettetrans = (normalcolor == CR_UNDEFINED && parms.TranslationId != 0);
|
|
|
|
if (normalcolor >= NumTextColors)
|
|
normalcolor = CR_UNTRANSLATED;
|
|
boldcolor = normalcolor ? normalcolor - 1 : NumTextColors - 1;
|
|
|
|
PalEntry colorparm = parms.color;
|
|
PalEntry color = 0xffffffff;
|
|
trans = palettetrans? -1 : 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 = string;
|
|
cx = x;
|
|
cy = y;
|
|
|
|
if (parms.monospace == EMonospacing::CellCenter)
|
|
cx += parms.spacing / 2;
|
|
else if (parms.monospace == EMonospacing::CellRight)
|
|
cx += parms.spacing;
|
|
|
|
|
|
auto currentcolor = normalcolor;
|
|
while (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)
|
|
{
|
|
trans = 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)))
|
|
{
|
|
// if palette translation is used, font colors will be ignored.
|
|
if (!palettetrans) parms.TranslationId = redirected? -1 : trans;
|
|
SetTextureParms(drawer, &parms, pic, cx, cy);
|
|
if (parms.cellx)
|
|
{
|
|
w = parms.cellx;
|
|
parms.destwidth = parms.cellx;
|
|
parms.destheight = parms.celly;
|
|
}
|
|
if (parms.monospace == EMonospacing::CellLeft)
|
|
parms.left = 0;
|
|
else if (parms.monospace == EMonospacing::CellCenter)
|
|
parms.left = w / 2.;
|
|
else if (parms.monospace == EMonospacing::CellRight)
|
|
parms.left = w;
|
|
|
|
drawer->AddTexture(pic, parms);
|
|
}
|
|
if (parms.monospace == EMonospacing::Off)
|
|
{
|
|
cx += (w + kerning + parms.spacing) * scalex;
|
|
}
|
|
else
|
|
{
|
|
cx += (parms.spacing) * scalex;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
// For now the 'drawer' parameter is a placeholder - this should be the way to handle it later to allow different drawers.
|
|
void DrawText(F2DDrawer *drawer, 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(drawer, nullptr, 0, 0, tag_first, tags, &parms, true);
|
|
va_end(tags.list);
|
|
if (!res)
|
|
{
|
|
return;
|
|
}
|
|
DrawTextCommon(drawer, font, normalcolor, x, y, (const uint8_t*)string, parms);
|
|
}
|
|
|
|
|
|
void DrawText(F2DDrawer *drawer, FFont* font, int normalcolor, double x, double y, const char32_t* string, int tag_first, ...)
|
|
{
|
|
Va_List tags;
|
|
DrawParms parms;
|
|
|
|
if (font == NULL || string == NULL)
|
|
return;
|
|
|
|
va_start(tags.list, tag_first);
|
|
bool res = ParseDrawTextureTags(drawer, nullptr, 0, 0, tag_first, tags, &parms, true);
|
|
va_end(tags.list);
|
|
if (!res)
|
|
{
|
|
return;
|
|
}
|
|
DrawTextCommon(drawer, font, normalcolor, x, y, string, parms);
|
|
}
|
|
|
|
|
|
void DrawText(F2DDrawer *drawer, 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(drawer, nullptr, 0, 0, tag, args, &parms, true);
|
|
if (!res)
|
|
{
|
|
return;
|
|
}
|
|
DrawTextCommon(drawer, font, normalcolor, x, y, (const uint8_t*)string, parms);
|
|
}
|
|
|
|
DEFINE_ACTION_FUNCTION(_Screen, DrawText)
|
|
{
|
|
PARAM_PROLOGUE;
|
|
PARAM_POINTER_NOT_NULL(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 (!twod->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();
|
|
DrawText(twod, font, cr, x, y, txt, args);
|
|
return 0;
|
|
}
|
|
|