X-Git-Url: https://de.git.xonotic.org/?p=xonotic%2Fnetradiant.git;a=blobdiff_plain;f=libs%2Fgtkutil%2Fglfont.cpp;h=afe8546e7c8dd00305c8b0b43935c875fedf7687;hp=f2095a8bf73783acb4f2fab5f313638f14279633;hb=0f2e4b773715b05595f1c149d99fcc4795e01948;hpb=e240a832bda898b5be0289d1799b8fbd9cb06050 diff --git a/libs/gtkutil/glfont.cpp b/libs/gtkutil/glfont.cpp index f2095a8b..afe8546e 100644 --- a/libs/gtkutil/glfont.cpp +++ b/libs/gtkutil/glfont.cpp @@ -1,29 +1,59 @@ /* -Copyright (C) 2001-2006, William Joseph. -All Rights Reserved. + Copyright (C) 2001-2006, William Joseph. + All Rights Reserved. -This file is part of GtkRadiant. + This file is part of GtkRadiant. -GtkRadiant 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 2 of the License, or -(at your option) any later version. + GtkRadiant 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 2 of the License, or + (at your option) any later version. -GtkRadiant 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. + GtkRadiant 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 GtkRadiant; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -*/ + You should have received a copy of the GNU General Public License + along with GtkRadiant; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ #include "glfont.h" -#ifdef _WIN32 +#include "globaldefs.h" +#include "igl.h" + +// generic string printing with call lists +class GLFontCallList : public GLFont +{ +GLuint m_displayList; +int m_pixelHeight; +int m_pixelAscent; +int m_pixelDescent; +public: +GLFontCallList( GLuint displayList, int asc, int desc, int pixelHeight ) : m_displayList( displayList ), m_pixelHeight( pixelHeight ), m_pixelAscent( asc ), m_pixelDescent( desc ){ +} +virtual ~GLFontCallList(){ + glDeleteLists( m_displayList, 256 ); +} +void printString( const char *s ){ + GlobalOpenGL().m_glListBase( m_displayList ); + GlobalOpenGL().m_glCallLists( GLsizei( strlen( s ) ), GL_UNSIGNED_BYTE, reinterpret_cast( s ) ); +} +virtual int getPixelAscent() const { + return m_pixelAscent; +} +virtual int getPixelDescent() const { + return m_pixelDescent; +} +virtual int getPixelHeight() const { + return m_pixelHeight; +} +}; + +#if GDEF_OS_WINDOWS #include #endif -#include #include "debugging/debugging.h" // LordHavoc: this is code for direct Xlib bitmap character fetching, as an @@ -38,268 +68,274 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #include -GLFont glfont_create(const char* font_string) -{ - GLuint font_list_base; - XFontStruct *fontInfo; - Display *dpy = GDK_DISPLAY (); - unsigned int i, first, last, firstrow, lastrow; - int maxchars; - int firstbitmap; - - fontInfo = XLoadQueryFont (dpy, "-*-fixed-*-*-*-*-8-*-*-*-*-*-*-*"); - if (fontInfo == NULL) - { - // try to load other fonts - fontInfo = XLoadQueryFont (dpy, "-*-fixed-*-*-*-*-*-*-*-*-*-*-*-*"); - - // any font will do ! - if (fontInfo == NULL) - fontInfo = XLoadQueryFont(dpy, "-*-*-*-*-*-*-*-*-*-*-*-*-*-*"); - - if (fontInfo == NULL) - ERROR_MESSAGE("couldn't create font"); - } - - first = (int)fontInfo->min_char_or_byte2; - last = (int)fontInfo->max_char_or_byte2; - firstrow = (int)fontInfo->min_byte1; - lastrow = (int)fontInfo->max_byte1; - /* - * How many chars in the charset - */ - maxchars = 256 * lastrow + last; - font_list_base = glGenLists(maxchars+1); - if (font_list_base == 0) - { - ERROR_MESSAGE( "couldn't create font" ); - } - - /* - * Get offset to first char in the charset - */ - firstbitmap = 256 * firstrow + first; - /* - * for each row of chars, call glXUseXFont to build the bitmaps. - */ - - for(i=firstrow; i<=lastrow; i++) - { - glXUseXFont(fontInfo->fid, firstbitmap, last-first+1, font_list_base+firstbitmap); - firstbitmap += 256; - } +GLFont *glfont_create( const char* font_string ){ + GLuint font_list_base; + XFontStruct *fontInfo; + Display *dpy = GDK_DISPLAY(); + unsigned int i, first, last, firstrow, lastrow; + int maxchars; + int firstbitmap; + + fontInfo = XLoadQueryFont( dpy, "-*-fixed-*-*-*-*-8-*-*-*-*-*-*-*" ); + if ( fontInfo == NULL ) { + // try to load other fonts + fontInfo = XLoadQueryFont( dpy, "-*-fixed-*-*-*-*-*-*-*-*-*-*-*-*" ); + + // any font will do ! + if ( fontInfo == NULL ) { + fontInfo = XLoadQueryFont( dpy, "-*-*-*-*-*-*-*-*-*-*-*-*-*-*" ); + } -/* *height = fontInfo->ascent + fontInfo->descent; - *width = fontInfo->max_bounds.width; */ - return GLFont(font_list_base, fontInfo->ascent + fontInfo->descent); -} + if ( fontInfo == NULL ) { + ERROR_MESSAGE( "couldn't create font" ); + } + } -void glfont_release(GLFont& font) -{ - glDeleteLists(font.getDisplayList(), 256); - font = GLFont(0, 0); + first = (int)fontInfo->min_char_or_byte2; + last = (int)fontInfo->max_char_or_byte2; + firstrow = (int)fontInfo->min_byte1; + lastrow = (int)fontInfo->max_byte1; + /* + * How many chars in the charset + */ + maxchars = 256 * lastrow + last; + font_list_base = glGenLists( maxchars + 1 ); + if ( font_list_base == 0 ) { + ERROR_MESSAGE( "couldn't create font" ); + } + + /* + * Get offset to first char in the charset + */ + firstbitmap = 256 * firstrow + first; + /* + * for each row of chars, call glXUseXFont to build the bitmaps. + */ + + for ( i = firstrow; i <= lastrow; i++ ) + { + glXUseXFont( fontInfo->fid, firstbitmap, last - first + 1, font_list_base + firstbitmap ); + firstbitmap += 256; + } + +/* *height = fontInfo->ascent + fontInfo->descent; + *width = fontInfo->max_bounds.width; */ + return new GLFontCallList( font_list_base, fontInfo->ascent, fontInfo->descent, fontInfo->ascent + fontInfo->descent ); } -#else +#elif 0 #include -GLFont glfont_create(const char* font_string) -{ - GLuint font_list_base = glGenLists (256); - gint font_height = 0, font_ascent = 0, font_descent = 0; +GLFont *glfont_create( const char* font_string ){ + GLuint font_list_base = glGenLists( 256 ); + gint font_height = 0, font_ascent = 0, font_descent = 0; - PangoFontDescription* font_desc = pango_font_description_from_string (font_string); + PangoFontDescription* font_desc = pango_font_description_from_string( font_string ); - PangoFont* font = gdk_gl_font_use_pango_font (font_desc, 0, 256, font_list_base); + PangoFont* font = gdk_gl_font_use_pango_font( font_desc, 0, 256, font_list_base ); - if(font == 0) - { - pango_font_description_free (font_desc); - font_desc = pango_font_description_from_string ("fixed 8"); - font = gdk_gl_font_use_pango_font (font_desc, 0, 256, font_list_base); - } + if ( font == 0 ) { + pango_font_description_free( font_desc ); + font_desc = pango_font_description_from_string( "fixed 8" ); + font = gdk_gl_font_use_pango_font( font_desc, 0, 256, font_list_base ); + } - if(font == 0) - { - pango_font_description_free (font_desc); - font_desc = pango_font_description_from_string ("courier new 8"); - font = gdk_gl_font_use_pango_font (font_desc, 0, 256, font_list_base); - } + if ( font == 0 ) { + pango_font_description_free( font_desc ); + font_desc = pango_font_description_from_string( "courier new 8" ); + font = gdk_gl_font_use_pango_font( font_desc, 0, 256, font_list_base ); + } - if(font != 0) - { - PangoFontMetrics* font_metrics = pango_font_get_metrics (font, 0); + if ( font != 0 ) { + PangoFontMetrics* font_metrics = pango_font_get_metrics( font, 0 ); - font_ascent = pango_font_metrics_get_ascent (font_metrics); - font_descent = pango_font_metrics_get_descent (font_metrics); - font_height = font_ascent + font_descent; + font_ascent = pango_font_metrics_get_ascent( font_metrics ); + font_descent = pango_font_metrics_get_descent( font_metrics ); + font_height = font_ascent + font_descent; - font_ascent = PANGO_PIXELS (font_ascent); - font_descent = PANGO_PIXELS (font_descent); - font_height = PANGO_PIXELS (font_height); + font_ascent = PANGO_PIXELS( font_ascent ); + font_descent = PANGO_PIXELS( font_descent ); + font_height = PANGO_PIXELS( font_height ); - pango_font_metrics_unref (font_metrics); - } + pango_font_metrics_unref( font_metrics ); + } - pango_font_description_free (font_desc); + pango_font_description_free( font_desc ); - // fix for pango/gtkglext metrix bug - if(font_height > 256) - font_height = 16; + // fix for pango/gtkglext metrix bug + if ( font_height > 256 ) { + font_height = 16; + } - return GLFont(font_list_base, font_ascent, font_descent, font_height); + return new GLFontCallList( font_list_base, font_ascent, font_descent, font_height ); } +#else + +// new font code ripped from ZeroRadiant + +#include +#include +#include -void glfont_release(GLFont& font) +class GLFontInternal : public GLFont { - glDeleteLists(font.getDisplayList(), 256); - font = GLFont(0, 0, 0, 0); -} +const char *font_string; +int font_height; +int font_ascent; +int font_descent; +int y_offset_bitmap_render_pango_units; +PangoContext *ft2_context; +PangoFontMap *fontmap; + +public: +GLFontInternal( const char *_font_string ) : font_string( _font_string ){ + PangoFontDescription *font_desc; + PangoLayout *layout; + PangoRectangle log_rect; + int font_ascent_pango_units; + int font_descent_pango_units; + +#if !PANGO_VERSION_CHECK( 1,22,0 ) + ft2_context = pango_ft2_get_context( 72, 72 ); +#else + fontmap = pango_ft2_font_map_new(); + pango_ft2_font_map_set_resolution( PANGO_FT2_FONT_MAP( fontmap ), 72, 72 ); + ft2_context = pango_font_map_create_context( fontmap ); #endif + font_desc = pango_font_description_from_string( font_string ); + //pango_font_description_set_size(font_desc, 10 * PANGO_SCALE); + pango_context_set_font_description( ft2_context, font_desc ); + pango_font_description_free( font_desc ); + // TODO fallback to fixed 8, courier new 8 + layout = pango_layout_new( ft2_context ); -// new font code ripped from ZeroRadiant (not in use yet) - -#include -#include -#include "igl.h" +#ifdef FONT_SIZE_WORKAROUND + pango_layout_set_width( layout, -1 ); // -1 no wrapping. All text on one line. + pango_layout_set_text( layout, "The quick brown fox jumped over the lazy sleeping dog's back then sat on a tack.", -1 ); // -1 null-terminated string. +#endif -class GLFontInternal -{ - const char *font_string; - int font_height; - int font_ascent; - int font_descent; - int y_offset_bitmap_render_pango_units; - PangoContext *ft2_context; - PangoFontMap *fontmap; - - public: - GLFontInternal(const char *_font_string): font_string(_font_string) - { - PangoFontDescription *font_desc; - PangoLayout *layout; - PangoRectangle log_rect; - int font_ascent_pango_units; - int font_descent_pango_units; - - //ft2_context = pango_ft2_get_context(72, 72); - fontmap = pango_ft2_font_map_new(); - pango_ft2_font_map_set_resolution(PANGO_FT2_FONT_MAP(fontmap), 72, 72); - ft2_context = pango_font_map_create_context(fontmap); - - font_desc = pango_font_description_from_string(font_string); - //pango_font_description_set_size(font_desc, 10 * PANGO_SCALE); - pango_context_set_font_description(ft2_context, font_desc); - pango_font_description_free(font_desc); - // TODO fallback to fixed 8, courier new 8 - - layout = pango_layout_new(ft2_context); -#if !PANGO_VERSION_CHECK(1,22,0) - PangoLayoutIter *iter; - iter = pango_layout_get_iter(layout); - font_ascent_pango_units = pango_layout_iter_get_baseline(iter); - pango_layout_iter_free(iter); +#if !PANGO_VERSION_CHECK( 1,22,0 ) + PangoLayoutIter *iter; + iter = pango_layout_get_iter( layout ); + font_ascent_pango_units = pango_layout_iter_get_baseline( iter ); + pango_layout_iter_free( iter ); #else - font_ascent_pango_units = pango_layout_get_baseline(layout); + font_ascent_pango_units = pango_layout_get_baseline( layout ); #endif - pango_layout_get_extents(layout, NULL, &log_rect); - g_object_unref(G_OBJECT(layout)); - font_descent_pango_units = log_rect.height - font_ascent_pango_units; + pango_layout_get_extents( layout, NULL, &log_rect ); + g_object_unref( G_OBJECT( layout ) ); + font_descent_pango_units = log_rect.height - font_ascent_pango_units; - font_ascent = PANGO_PIXELS_CEIL(font_ascent_pango_units); - font_descent = PANGO_PIXELS_CEIL(font_descent_pango_units); - font_height = font_ascent + font_descent; - y_offset_bitmap_render_pango_units = (font_ascent * PANGO_SCALE) - font_ascent_pango_units; - } + font_ascent = PANGO_PIXELS_CEIL( font_ascent_pango_units ); + font_descent = PANGO_PIXELS_CEIL( font_descent_pango_units ); + font_height = font_ascent + font_descent; + y_offset_bitmap_render_pango_units = ( font_ascent * PANGO_SCALE ) - font_ascent_pango_units; +} - ~GLFontInternal() - { - g_object_unref(G_OBJECT(ft2_context)); - g_object_unref(G_OBJECT(fontmap)); - } +virtual ~GLFontInternal(){ + g_object_unref( G_OBJECT( ft2_context ) ); + g_object_unref( G_OBJECT( fontmap ) ); +} - // Renders the input text at the current location with the current color. - // The X position of the current location is used to place the left edge of the text image, - // where the text image bounds are defined as the logical extents of the line of text. - // The Y position of the current location is used to place the bottom of the text image. - // You should offset the Y position by the amount returned by gtk_glwidget_font_descent() - // if you want to place the baseline of the text image at the current Y position. - // Note: A problem with this function is that if the lower left corner of the text falls - // just a hair outside of the viewport (meaning the current raster position is invalid), - // then no text will be rendered. The solution to this is a very hacky one. You can search - // Google for "glDrawPixels clipping". - void printString(const char *s) - { - // The idea for this code initially came from the font-pangoft2.c example that comes with GtkGLExt. - - PangoLayout *layout; - PangoRectangle log_rect; - FT_Bitmap bitmap; - unsigned char *begin_bitmap_buffer; - GLfloat color[4]; - GLint previous_unpack_alignment; - GLboolean previous_blend_enabled; - GLint previous_blend_func_src; - GLint previous_blend_func_dst; - GLfloat previous_red_bias; - GLfloat previous_green_bias; - GLfloat previous_blue_bias; - GLfloat previous_alpha_scale; - - layout = pango_layout_new(ft2_context); - pango_layout_set_width(layout, -1); // -1 no wrapping. All text on one line. - pango_layout_set_text(layout, s, -1); // -1 null-terminated string. - pango_layout_get_extents(layout, NULL, &log_rect); - - if (log_rect.width > 0 && log_rect.height > 0) { - bitmap.rows = font_ascent + font_descent; - bitmap.width = PANGO_PIXELS_CEIL(log_rect.width); - bitmap.pitch = -bitmap.width; // Rendering it "upside down" for OpenGL. - begin_bitmap_buffer = (unsigned char *) g_malloc(bitmap.rows * bitmap.width); - memset(begin_bitmap_buffer, 0, bitmap.rows * bitmap.width); - bitmap.buffer = begin_bitmap_buffer + (bitmap.rows - 1) * bitmap.width; // See pitch above. - bitmap.num_grays = 0xff; - bitmap.pixel_mode = FT_PIXEL_MODE_GRAY; - pango_ft2_render_layout_subpixel(&bitmap, layout, -log_rect.x, - y_offset_bitmap_render_pango_units); - GlobalOpenGL().m_glGetFloatv(GL_CURRENT_COLOR, color); - - // Save state. I didn't see any OpenGL push/pop operations for these. - // Question: Is saving/restoring this state necessary? Being safe. - GlobalOpenGL().m_glGetIntegerv(GL_UNPACK_ALIGNMENT, &previous_unpack_alignment); - previous_blend_enabled = GlobalOpenGL().m_glIsEnabled(GL_BLEND); - GlobalOpenGL().m_glGetIntegerv(GL_BLEND_SRC, &previous_blend_func_src); - GlobalOpenGL().m_glGetIntegerv(GL_BLEND_DST, &previous_blend_func_dst); - GlobalOpenGL().m_glGetFloatv(GL_RED_BIAS, &previous_red_bias); - GlobalOpenGL().m_glGetFloatv(GL_GREEN_BIAS, &previous_green_bias); - GlobalOpenGL().m_glGetFloatv(GL_BLUE_BIAS, &previous_blue_bias); - GlobalOpenGL().m_glGetFloatv(GL_ALPHA_SCALE, &previous_alpha_scale); - - GlobalOpenGL().m_glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - GlobalOpenGL().m_glEnable(GL_BLEND); - GlobalOpenGL().m_glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - GlobalOpenGL().m_glPixelTransferf(GL_RED_BIAS, color[0]); - GlobalOpenGL().m_glPixelTransferf(GL_GREEN_BIAS, color[1]); - GlobalOpenGL().m_glPixelTransferf(GL_BLUE_BIAS, color[2]); - GlobalOpenGL().m_glPixelTransferf(GL_ALPHA_SCALE, color[3]); - - GlobalOpenGL().m_glDrawPixels(bitmap.width, bitmap.rows, - GL_ALPHA, GL_UNSIGNED_BYTE, begin_bitmap_buffer); - g_free(begin_bitmap_buffer); - - // Restore state in reverse order of how we set it. - GlobalOpenGL().m_glPixelTransferf(GL_ALPHA_SCALE, previous_alpha_scale); - GlobalOpenGL().m_glPixelTransferf(GL_BLUE_BIAS, previous_blue_bias); - GlobalOpenGL().m_glPixelTransferf(GL_GREEN_BIAS, previous_green_bias); - GlobalOpenGL().m_glPixelTransferf(GL_RED_BIAS, previous_red_bias); - GlobalOpenGL().m_glBlendFunc(previous_blend_func_src, previous_blend_func_dst); - if (!previous_blend_enabled) { GlobalOpenGL().m_glDisable(GL_BLEND); } - GlobalOpenGL().m_glPixelStorei(GL_UNPACK_ALIGNMENT, previous_unpack_alignment); +// Renders the input text at the current location with the current color. +// The X position of the current location is used to place the left edge of the text image, +// where the text image bounds are defined as the logical extents of the line of text. +// The Y position of the current location is used to place the bottom of the text image. +// You should offset the Y position by the amount returned by gtk_glwidget_font_descent() +// if you want to place the baseline of the text image at the current Y position. +// Note: A problem with this function is that if the lower left corner of the text falls +// just a hair outside of the viewport (meaning the current raster position is invalid), +// then no text will be rendered. The solution to this is a very hacky one. You can search +// Google for "glDrawPixels clipping". +virtual void printString( const char *s ){ + // The idea for this code initially came from the font-pangoft2.c example that comes with GtkGLExt. + + PangoLayout *layout; + PangoRectangle log_rect; + FT_Bitmap bitmap; + unsigned char *begin_bitmap_buffer; + GLfloat color[4]; + GLint previous_unpack_alignment; + GLboolean previous_blend_enabled; + GLint previous_blend_func_src; + GLint previous_blend_func_dst; + GLfloat previous_red_bias; + GLfloat previous_green_bias; + GLfloat previous_blue_bias; + GLfloat previous_alpha_scale; + + layout = pango_layout_new( ft2_context ); + pango_layout_set_width( layout, -1 ); // -1 no wrapping. All text on one line. + pango_layout_set_text( layout, s, -1 ); // -1 null-terminated string. + pango_layout_get_extents( layout, NULL, &log_rect ); + + if ( log_rect.width > 0 && log_rect.height > 0 ) { + bitmap.rows = font_ascent + font_descent; + bitmap.width = PANGO_PIXELS_CEIL( log_rect.width ); + bitmap.pitch = -bitmap.width; // Rendering it "upside down" for OpenGL. + begin_bitmap_buffer = (unsigned char *) g_malloc( bitmap.rows * bitmap.width ); + memset( begin_bitmap_buffer, 0, bitmap.rows * bitmap.width ); + bitmap.buffer = begin_bitmap_buffer + ( bitmap.rows - 1 ) * bitmap.width; // See pitch above. + bitmap.num_grays = 0xff; + bitmap.pixel_mode = FT_PIXEL_MODE_GRAY; + pango_ft2_render_layout_subpixel( &bitmap, layout, -log_rect.x, + y_offset_bitmap_render_pango_units ); + GlobalOpenGL().m_glGetFloatv( GL_CURRENT_COLOR, color ); + + // Save state. I didn't see any OpenGL push/pop operations for these. + // Question: Is saving/restoring this state necessary? Being safe. + GlobalOpenGL().m_glGetIntegerv( GL_UNPACK_ALIGNMENT, &previous_unpack_alignment ); + previous_blend_enabled = GlobalOpenGL().m_glIsEnabled( GL_BLEND ); + GlobalOpenGL().m_glGetIntegerv( GL_BLEND_SRC, &previous_blend_func_src ); + GlobalOpenGL().m_glGetIntegerv( GL_BLEND_DST, &previous_blend_func_dst ); + GlobalOpenGL().m_glGetFloatv( GL_RED_BIAS, &previous_red_bias ); + GlobalOpenGL().m_glGetFloatv( GL_GREEN_BIAS, &previous_green_bias ); + GlobalOpenGL().m_glGetFloatv( GL_BLUE_BIAS, &previous_blue_bias ); + GlobalOpenGL().m_glGetFloatv( GL_ALPHA_SCALE, &previous_alpha_scale ); + + GlobalOpenGL().m_glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); + GlobalOpenGL().m_glEnable( GL_BLEND ); + GlobalOpenGL().m_glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); + GlobalOpenGL().m_glPixelTransferf( GL_RED_BIAS, color[0] ); + GlobalOpenGL().m_glPixelTransferf( GL_GREEN_BIAS, color[1] ); + GlobalOpenGL().m_glPixelTransferf( GL_BLUE_BIAS, color[2] ); + GlobalOpenGL().m_glPixelTransferf( GL_ALPHA_SCALE, color[3] ); + + GlobalOpenGL().m_glDrawPixels( bitmap.width, bitmap.rows, + GL_ALPHA, GL_UNSIGNED_BYTE, begin_bitmap_buffer ); + g_free( begin_bitmap_buffer ); + + // Restore state in reverse order of how we set it. + GlobalOpenGL().m_glPixelTransferf( GL_ALPHA_SCALE, previous_alpha_scale ); + GlobalOpenGL().m_glPixelTransferf( GL_BLUE_BIAS, previous_blue_bias ); + GlobalOpenGL().m_glPixelTransferf( GL_GREEN_BIAS, previous_green_bias ); + GlobalOpenGL().m_glPixelTransferf( GL_RED_BIAS, previous_red_bias ); + GlobalOpenGL().m_glBlendFunc( previous_blend_func_src, previous_blend_func_dst ); + if ( !previous_blend_enabled ) { + GlobalOpenGL().m_glDisable( GL_BLEND ); } - - g_object_unref(G_OBJECT(layout)); + GlobalOpenGL().m_glPixelStorei( GL_UNPACK_ALIGNMENT, previous_unpack_alignment ); } + + g_object_unref( G_OBJECT( layout ) ); +} + +virtual int getPixelAscent() const { + return font_ascent; +} +virtual int getPixelDescent() const { + return font_descent; +} +virtual int getPixelHeight() const { + return font_height; +} }; + +GLFont *glfont_create( const char* font_string ){ + return new GLFontInternal( font_string ); +} + +#endif