RetroArch/360/xdk360_video_debugfonts.h
2012-02-12 17:13:13 +01:00

134 lines
4.8 KiB
C++

/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
* Copyright (C) 2011-2012 - Daniel De Matteis
*
* Some code herein may be based on code found in BSNES.
*
* SSNES 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* SSNES 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 SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SSNES360_DEBUG_FONTS_H
#define _SSNES360_DEBUG_FONTS_H
#include "xdk360_video_resources.h"
typedef struct GLYPH_ATTR
{
unsigned short tu1, tv1, tu2, tv2; // Texture coordinates for the image
short wOffset; // Pixel offset for glyph start
short wWidth; // Pixel width of the glyph
short wAdvance; // Pixels to advance after the glyph
unsigned short wMask; // Channel mask
} GLYPH_ATTR;
#define ATGFONT_LEFT 0x00000000
#define ATGFONT_RIGHT 0x00000001
#define ATGFONT_CENTER_X 0x00000002
#define ATGFONT_CENTER_Y 0x00000004
#define ATGFONT_TRUNCATED 0x00000008
enum SavedStates
{
SAVEDSTATE_D3DRS_ALPHABLENDENABLE,
SAVEDSTATE_D3DRS_SRCBLEND,
SAVEDSTATE_D3DRS_DESTBLEND,
SAVEDSTATE_D3DRS_BLENDOP,
SAVEDSTATE_D3DRS_ALPHATESTENABLE,
SAVEDSTATE_D3DRS_ALPHAREF,
SAVEDSTATE_D3DRS_ALPHAFUNC,
SAVEDSTATE_D3DRS_FILLMODE,
SAVEDSTATE_D3DRS_CULLMODE,
SAVEDSTATE_D3DRS_ZENABLE,
SAVEDSTATE_D3DRS_STENCILENABLE,
SAVEDSTATE_D3DRS_VIEWPORTENABLE,
SAVEDSTATE_D3DSAMP_MINFILTER,
SAVEDSTATE_D3DSAMP_MAGFILTER,
SAVEDSTATE_D3DSAMP_ADDRESSU,
SAVEDSTATE_D3DSAMP_ADDRESSV,
SAVEDSTATE_COUNT
};
class XdkFont
{
public:
PackedResource m_xprResource;
// Font vertical dimensions taken from the font file
float m_fFontHeight; // Height of the font strike in pixels
float m_fFontTopPadding; // Padding above the strike zone
float m_fFontBottomPadding; // Padding below the strike zone
float m_fFontYAdvance; // Number of pixels to move the cursor for a line feed
float m_fXScaleFactor; // Scaling constants
float m_fYScaleFactor;
float m_fSlantFactor; // For italics
double m_dRotCos; // Precalculated sine and cosine for italic like rotation
double m_dRotSin;
D3DRECT m_rcWindow; // Bounds rect if the text window, modify via accessors only!
float m_fCursorX; // Current text cursor
float m_fCursorY;
// Translator table for supporting unicode ranges
unsigned long m_cMaxGlyph; // Number of entries in the translator table
wchar_t * m_TranslatorTable; // ASCII to glyph lookup table
// Glyph data for the font
unsigned long m_dwNumGlyphs; // Number of valid glyphs
const GLYPH_ATTR* m_Glyphs; // Array of glyphs
// D3D rendering objects
D3DTexture* m_pFontTexture;
// Saved state for rendering (if not using a pure device)
unsigned long m_dwSavedState[ SAVEDSTATE_COUNT ];
unsigned long m_dwNestedBeginCount;
int m_bSaveState;
int m_bRotate;
public:
XdkFont();
~XdkFont();
// Functions to create and destroy the internal objects
HRESULT Create( const char * strFontFileName );
void Destroy();
// Returns the dimensions of a text string
void GetTextExtent( const wchar_t * strText, float * pWidth,
float * pHeight, int bFirstLineOnly=FALSE ) const;
float GetTextWidth( const wchar_t * strText ) const;
void SetWindow(const D3DRECT &rcWindow );
void SetWindow( long x1, long y1, long x2, long y2 );
void GetWindow(D3DRECT &rcWindow) const;
void SetCursorPosition( float fCursorX, float fCursorY );
// Public calls to render text. Callers can simply call DrawText(), but for
// performance, they should batch multiple calls together, bracketed by calls to
// Begin() and End().
void Begin();
void DrawText( unsigned long dwColor, const wchar_t * strText, unsigned long dwFlags=0L,
float fMaxPixelWidth = 0.0f );
void DrawText( float sx, float sy, unsigned long dwColor, const wchar_t * strText,
unsigned long dwFlags=0L, float fMaxPixelWidth = 0.0f );
void End();
private:
// Internal helper functions
HRESULT CreateFontShaders();
void ReleaseFontShaders();
void RotatePoint( float * X, float * Y, double OriginX, double OriginY ) const;
};
#endif