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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef AGS_SHARED_FONT_TTF_FONT_RENDERER_H
#define AGS_SHARED_FONT_TTF_FONT_RENDERER_H
#include "common/std/map.h"
#include "ags/shared/font/ags_font_renderer.h"
#include "ags/shared/util/string.h"
namespace AGS3 {
struct ALFONT_FONT;
class TTFFontRenderer : public IAGSFontRendererInternal {
public:
virtual ~TTFFontRenderer() {}
// IAGSFontRenderer implementation
bool LoadFromDisk(int fontNumber, int fontSize) override;
void FreeMemory(int fontNumber) override;
bool SupportsExtendedCharacters(int /*fontNumber*/) override {
return true;
}
int GetTextWidth(const char *text, int fontNumber) override;
int GetTextHeight(const char *text, int fontNumber) override;
void RenderText(const char *text, int fontNumber, BITMAP *destination, int x, int y, int colour) override;
void AdjustYCoordinateForFont(int *ycoord, int fontNumber) override;
void EnsureTextValidForFont(char *text, int fontNumber) override;
// IAGSFontRenderer2 implementation
int GetVersion() override { return 26; /* first compatible engine API version */ }
const char *GetRendererName() override { return "TTFFontRenderer"; }
const char *GetFontName(int fontNumber) override;
int GetFontHeight(int fontNumber) override;
int GetLineSpacing(int fontNumber) override { return 0; /* no specific spacing */ }
// IAGSFontRendererInternal implementation
bool IsBitmapFont() override;
bool LoadFromDiskEx(int fontNumber, int fontSize, AGS::Shared::String *src_filename,
const FontRenderParams *params, FontMetrics *metrics) override;
void GetFontMetrics(int fontNumber, FontMetrics *metrics) override;
void AdjustFontForAntiAlias(int fontNumber, bool aa_mode) override;
//
// Utility functions
//
// Try load the TTF font using provided point size, and report its metrics
static bool MeasureFontOfPointSize(const AGS::Shared::String &filename, int size_pt, FontMetrics *metrics);
// Try load the TTF font, find the point size which results in pixel height
// as close to the requested as possible; report its metrics
static bool MeasureFontOfPixelHeight(const AGS::Shared::String &filename, int pixel_height, FontMetrics *metrics);
private:
struct FontData {
ALFONT_FONT *AlFont;
FontRenderParams Params;
};
std::map<int, FontData> _fontData;
};
} // namespace AGS3
#endif
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