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-rw-r--r--indra/llrender/llfontgl.h219
1 files changed, 77 insertions, 142 deletions
diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h
index 6cb1727ff4..af8e0909af 100644
--- a/indra/llrender/llfontgl.h
+++ b/indra/llrender/llfontgl.h
@@ -34,23 +34,22 @@
#ifndef LL_LLFONTGL_H
#define LL_LLFONTGL_H
-#include "llfont.h"
-#include "llimagegl.h"
-#include "v2math.h"
#include "llcoord.h"
-#include "llrect.h"
-
#include "llfontregistry.h"
+#include "llimagegl.h"
+#include "llpointer.h"
+#include "llrect.h"
+#include "v2math.h"
class LLColor4;
-
// Key used to request a font.
class LLFontDescriptor;
+class LLFontFreetype;
// Structure used to store previously requested fonts.
class LLFontRegistry;
-class LLFontGL : public LLFont
+class LLFontGL
{
public:
enum HAlign
@@ -73,131 +72,81 @@ public:
enum StyleFlags
{
// text style to render. May be combined (these are bit flags)
+ // TODO:: Maybe change the value to 0x01 << 0 for 1 0x01 << 1 for 2, 0x01 << 2 for 4
NORMAL = 0,
BOLD = 1,
ITALIC = 2,
- UNDERLINE = 4,
- DROP_SHADOW = 8,
- DROP_SHADOW_SOFT = 16
+ UNDERLINE = 4
+ };
+
+ enum ShadowType
+ {
+ NO_SHADOW,
+ DROP_SHADOW,
+ DROP_SHADOW_SOFT
};
-
- // Takes a string with potentially several flags, i.e. "NORMAL|BOLD|ITALIC"
- static U8 getStyleFromString(const std::string &style);
LLFontGL();
- LLFontGL(const LLFontGL &source);
~LLFontGL();
- void init(); // Internal init, or reinitialization
- void reset(); // Reset a font after GL cleanup. ONLY works on an already loaded font.
-
- LLFontGL &operator=(const LLFontGL &source);
- static BOOL initDefaultFonts(F32 screen_dpi, F32 x_scale, F32 y_scale,
- const std::string& app_dir,
- const std::vector<std::string>& xui_paths);
+ void reset(); // Reset a font after GL cleanup. ONLY works on an already loaded font.
- static void destroyDefaultFonts();
- static void destroyAllGL();
void destroyGL();
- /* virtual*/ BOOL loadFace(const std::string& filename,
- const F32 point_size, const F32 vert_dpi, const F32 horz_dpi,
- const S32 components, BOOL is_fallback);
+ BOOL loadFace(const std::string& filename, F32 point_size, const F32 vert_dpi, const F32 horz_dpi, const S32 components, BOOL is_fallback);
+ S32 render(const LLWString &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign = LEFT, VAlign valign = BASELINE, U8 style = NORMAL,
+ ShadowType shadow = NO_SHADOW, S32 max_chars = S32_MAX, S32 max_pixels = S32_MAX, F32* right_x=NULL, BOOL use_ellipses = FALSE) const;
+ S32 render(const LLWString &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color) const;
- S32 renderUTF8(const std::string &text, const S32 begin_offset,
- S32 x, S32 y,
- const LLColor4 &color) const
- {
- return renderUTF8(text, begin_offset, (F32)x, (F32)y, color,
- LEFT, BASELINE, NORMAL,
- S32_MAX, S32_MAX, NULL, FALSE);
- }
-
- S32 renderUTF8(const std::string &text, const S32 begin_offset,
- S32 x, S32 y,
- const LLColor4 &color,
- HAlign halign, VAlign valign, U8 style = NORMAL) const
- {
- return renderUTF8(text, begin_offset, (F32)x, (F32)y, color,
- halign, valign, style,
- S32_MAX, S32_MAX, NULL, FALSE);
- }
-
// renderUTF8 does a conversion, so is slower!
- S32 renderUTF8(const std::string &text,
- S32 begin_offset,
- F32 x, F32 y,
- const LLColor4 &color,
- HAlign halign,
- VAlign valign,
- U8 style,
- S32 max_chars,
- S32 max_pixels,
- F32* right_x,
- BOOL use_ellipses) const;
-
- S32 render(const LLWString &text, const S32 begin_offset,
- F32 x, F32 y,
- const LLColor4 &color) const
- {
- return render(text, begin_offset, x, y, color,
- LEFT, BASELINE, NORMAL,
- S32_MAX, S32_MAX, NULL, FALSE, FALSE);
- }
-
+ S32 renderUTF8(const std::string &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_ellipses) const;
+ S32 renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y, const LLColor4 &color) const;
+ S32 renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style = NORMAL, ShadowType shadow = NO_SHADOW) const;
- S32 render(const LLWString &text,
- S32 begin_offset,
- F32 x, F32 y,
- const LLColor4 &color,
- HAlign halign = LEFT,
- VAlign valign = BASELINE,
- U8 style = NORMAL,
- S32 max_chars = S32_MAX,
- S32 max_pixels = S32_MAX,
- F32* right_x=NULL,
- BOOL use_embedded = FALSE,
- BOOL use_ellipses = FALSE) const;
-
- // font metrics - override for LLFont that returns units of virtual pixels
- /*virtual*/ F32 getLineHeight() const { return (F32)llround(mLineHeight / sScaleY); }
- /*virtual*/ F32 getAscenderHeight() const { return (F32)llround(mAscender / sScaleY); }
- /*virtual*/ F32 getDescenderHeight() const { return (F32)llround(mDescender / sScaleY); }
-
- virtual S32 getWidth(const std::string& utf8text) const;
- virtual S32 getWidth(const llwchar* wchars) const;
- virtual S32 getWidth(const std::string& utf8text, const S32 offset, const S32 max_chars ) const;
- virtual S32 getWidth(const llwchar* wchars, const S32 offset, const S32 max_chars, BOOL use_embedded = FALSE) const;
+ // font metrics - override for LLFontFreetype that returns units of virtual pixels
+ F32 getLineHeight() const;
+ F32 getAscenderHeight() const;
+ F32 getDescenderHeight() const;
+
+ S32 getWidth(const std::string& utf8text) const;
+ S32 getWidth(const llwchar* wchars) const;
+ S32 getWidth(const std::string& utf8text, S32 offset, S32 max_chars ) const;
+ S32 getWidth(const llwchar* wchars, S32 offset, S32 max_chars) const;
- virtual F32 getWidthF32(const std::string& utf8text) const;
- virtual F32 getWidthF32(const llwchar* wchars) const;
- virtual F32 getWidthF32(const std::string& text, const S32 offset, const S32 max_chars ) const;
- virtual F32 getWidthF32(const llwchar* wchars, const S32 offset, const S32 max_chars, BOOL use_embedded = FALSE ) const;
+ F32 getWidthF32(const std::string& utf8text) const;
+ F32 getWidthF32(const llwchar* wchars) const;
+ F32 getWidthF32(const std::string& text, S32 offset, S32 max_chars ) const;
+ F32 getWidthF32(const llwchar* wchars, S32 offset, S32 max_chars) const;
// The following are called often, frequently with large buffers, so do not use a string interface
// Returns the max number of complete characters from text (up to max_chars) that can be drawn in max_pixels
- virtual S32 maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars = S32_MAX,
- BOOL end_on_word_boundary = FALSE, const BOOL use_embedded = FALSE,
- F32* drawn_pixels = NULL) const;
+ S32 maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars = S32_MAX, BOOL end_on_word_boundary = FALSE) const;
// Returns the index of the first complete characters from text that can be drawn in max_pixels
// given that the character at start_pos should be the last character (or as close to last as possible).
- virtual S32 firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_len, S32 start_pos=S32_MAX, S32 max_chars = S32_MAX) const;
+ S32 firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_len, S32 start_pos=S32_MAX, S32 max_chars = S32_MAX) const;
// Returns the index of the character closest to pixel position x (ignoring text to the right of max_pixels and max_chars)
- virtual S32 charFromPixelOffset(const llwchar* wchars, const S32 char_offset,
- F32 x, F32 max_pixels=F32_MAX, S32 max_chars = S32_MAX,
- BOOL round = TRUE, BOOL use_embedded = FALSE) const;
+ S32 charFromPixelOffset(const llwchar* wchars, S32 char_offset, F32 x, F32 max_pixels=F32_MAX, S32 max_chars = S32_MAX, BOOL round = TRUE) const;
+
+ BOOL addChar(const llwchar wch) const;
+ const LLFontDescriptor& getFontDesc() const;
- LLImageGL *getImageGL() const;
- void addEmbeddedChar( llwchar wc, LLImageGL* image, const std::string& label) const;
- void addEmbeddedChar( llwchar wc, LLImageGL* image, const LLWString& label) const;
- void removeEmbeddedChar( llwchar wc ) const;
+ static void initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, const std::vector<std::string>& xui_paths, bool create_gl_textures = true);
+
+ // Load sans-serif, sans-serif-small, etc.
+ // Slow, requires multiple seconds to load fonts.
+ static bool loadDefaultFonts();
+ static void destroyDefaultFonts();
+ static void destroyAllGL();
+
+ // Takes a string with potentially several flags, i.e. "NORMAL|BOLD|ITALIC"
+ static U8 getStyleFromString(const std::string &style);
static std::string nameFromFont(const LLFontGL* fontp);
@@ -207,28 +156,7 @@ public:
static std::string nameFromVAlign(LLFontGL::VAlign align);
static LLFontGL::VAlign vAlignFromName(const std::string& name);
- static void setFontDisplay(BOOL flag) { sDisplayFont = flag ; }
-
-protected:
- struct embedded_data_t
- {
- embedded_data_t(LLImageGL* image, const LLWString& label) : mImage(image), mLabel(label) {}
- LLPointer<LLImageGL> mImage;
- LLWString mLabel;
- };
- const embedded_data_t* getEmbeddedCharData(const llwchar wch) const;
- F32 getEmbeddedCharAdvance(const embedded_data_t* ext_data) const;
- void clearEmbeddedChars();
- void renderQuad(const LLRectf& screen_rect, const LLRectf& uv_rect, F32 slant_amt) const;
- void drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4& color, U8 style, F32 drop_shadow_fade) const;
-
-public:
- static F32 sVertDPI;
- static F32 sHorizDPI;
- static F32 sScaleX;
- static F32 sScaleY;
- static BOOL sDisplayFont ;
- static std::string sAppDir; // For loading fonts
+ static void setFontDisplay(BOOL flag) { sDisplayFont = flag; }
static LLFontGL* getFontMonospace();
static LLFontGL* getFontSansSerifSmall();
@@ -238,33 +166,40 @@ public:
static LLFontGL* getFontSansSerifBold();
static LLFontGL* getFontExtChar();
static LLFontGL* getFont(const LLFontDescriptor& desc);
+ // Use with legacy names like "SANSSERIF_SMALL" or "OCRA"
+ static LLFontGL* getFontByName(const std::string& name);
+
+ static std::string getFontPathLocal();
+ static std::string getFontPathSystem();
+
+ static LLCoordFont sCurOrigin;
+ static std::vector<LLCoordFont> sOriginStack;
static LLColor4 sShadowColor;
+ static F32 sVertDPI;
+ static F32 sHorizDPI;
+ static F32 sScaleX;
+ static F32 sScaleY;
+ static BOOL sDisplayFont ;
+ static std::string sAppDir; // For loading fonts
+
+private:
+ friend class LLFontRegistry;
friend class LLTextBillboard;
friend class LLHUDText;
-protected:
- /*virtual*/ BOOL addChar(const llwchar wch) const;
+ LLFontGL(const LLFontGL &source);
+ LLFontGL &operator=(const LLFontGL &source);
-protected:
- typedef std::map<llwchar,embedded_data_t*> embedded_map_t;
- mutable embedded_map_t mEmbeddedChars;
-
- LLFontDescriptor mFontDesc;
+ LLFontDescriptor mFontDescriptor;
+ LLPointer<LLFontFreetype> mFontFreetype;
+
+ void renderQuad(const LLRectf& screen_rect, const LLRectf& uv_rect, F32 slant_amt) const;
+ void drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4& color, U8 style, ShadowType shadow, F32 drop_shadow_fade) const;
// Registry holds all instantiated fonts.
static LLFontRegistry* sFontRegistry;
-
-public:
- static std::string getFontPathLocal();
- static std::string getFontPathSystem();
-
- static LLCoordFont sCurOrigin;
- static std::vector<LLCoordFont> sOriginStack;
-
- const LLFontDescriptor &getFontDesc() const { return mFontDesc; }
- void setFontDesc(const LLFontDescriptor& font_desc) { mFontDesc = font_desc; }
};
#endif
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