mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-10 23:01:59 +00:00
- added a function that creates a texture for a text in a given font.
Not tested yet, this is for synthesizing localized variant of Doom's textures with text content.
This commit is contained in:
parent
5970040672
commit
b98c3b766c
3 changed files with 133 additions and 0 deletions
|
@ -113,6 +113,12 @@ public:
|
|||
{
|
||||
return std::make_pair(LeftOffset, TopOffset);
|
||||
}
|
||||
|
||||
void SetOffsets(int x, int y)
|
||||
{
|
||||
LeftOffset = x;
|
||||
TopOffset = y;
|
||||
}
|
||||
|
||||
int LumpNum() const
|
||||
{
|
||||
|
|
|
@ -42,13 +42,125 @@
|
|||
|
||||
#include "v_video.h"
|
||||
#include "w_wad.h"
|
||||
#include "image.h"
|
||||
#include "textures/formats/multipatchtexture.h"
|
||||
|
||||
#include "gstrings.h"
|
||||
#include "vm.h"
|
||||
#include "serializer.h"
|
||||
|
||||
|
||||
int ListGetInt(VMVa_List &tags);
|
||||
|
||||
|
||||
//==========================================================================
|
||||
//
|
||||
// Create a texture from a text in a given font.
|
||||
//
|
||||
//==========================================================================
|
||||
|
||||
FTexture * BuildTextTexture(FFont *font, const char *string, int textcolor)
|
||||
{
|
||||
int w;
|
||||
const uint8_t *ch;
|
||||
int c;
|
||||
double cx;
|
||||
double cy;
|
||||
FRemapTable *range;
|
||||
int kerning;
|
||||
FTexture *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();
|
||||
double x = cx - offsets.first;
|
||||
double y = cy - offsets.second;
|
||||
double ww = img->GetWidth();
|
||||
double 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)
|
||||
{
|
||||
range = 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();
|
||||
double x = cx - offsets.first;
|
||||
double 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;
|
||||
}
|
||||
|
||||
|
||||
|
||||
//==========================================================================
|
||||
//
|
||||
// DrawChar
|
||||
|
|
|
@ -86,6 +86,21 @@ struct IntRect
|
|||
left += xofs;
|
||||
top += yofs;
|
||||
}
|
||||
|
||||
void AddToRect(int x, int y)
|
||||
{
|
||||
if (x < left)
|
||||
left = x;
|
||||
if (x > left + width)
|
||||
width = x - left;
|
||||
|
||||
if (y < top)
|
||||
top = y;
|
||||
if (y > top + height)
|
||||
height = y - top;
|
||||
}
|
||||
|
||||
|
||||
};
|
||||
|
||||
|
||||
|
|
Loading…
Reference in a new issue