--- /dev/null
+/*
+ Copyright (c) 1999 Nate Miller
+
+ Notice: Usage of any code in this file is subject to the rules
+ described in the LICENSE.TXT file included in this directory.
+ Reading, compiling, or otherwise using this code constitutes
+ automatic acceptance of the rules in said text file.
+
+ File -- glTexFontColor.c
+ Date -- 6/10/99
+ Author -- Nate 'm|d' Miller
+ Contact -- vandals1@home.com
+ Web -- http://members.home.com/vandals1
+*/
+#include "glTexFont.h"
+
+/* color functions must be defined in texFont.h */
+
+extern texFont_t font;
+
+/*
+=============
+fontColor, fontColorA, fontColorp, fontColorAp
+
+Sets the currect color for the text.
+=============
+*/
+void fontColor (float r, float g, float b)
+{
+ font.fgColor[0] = r;
+ font.fgColor[1] = g;
+ font.fgColor[2] = b;
+ font.fgColor[3] = 1.0;
+}
+void fontColorA (float r, float g, float b, float a)
+{
+ font.fgColor[0] = r;
+ font.fgColor[1] = g;
+ font.fgColor[2] = b;
+ font.fgColor[3] = a;
+}
+void fontColorp (float *clr)
+{
+ font.fgColor[0] = clr[0];
+ font.fgColor[1] = clr[1];
+ font.fgColor[2] = clr[2];
+ font.fgColor[3] = 1.0;
+}
+void fontColorAp (float *clr)
+{
+ font.fgColor[0] = clr[0];
+ font.fgColor[1] = clr[1];
+ font.fgColor[2] = clr[2];
+ font.fgColor[3] = clr[3];
+}
+/*
+=============
+fontShadow, fontShadowA, fontShadowp, fontShadowAp
+
+Sets the currect shadow color for the text.
+=============
+*/
+void fontShadowColor (float r, float g, float b)
+{
+ font.bgColor[0] = r;
+ font.bgColor[1] = g;
+ font.bgColor[2] = b;
+ font.bgColor[3] = 1.0;
+}
+void fontShadowColorA (float r, float g, float b, float a)
+{
+ font.bgColor[0] = r;
+ font.bgColor[1] = g;
+ font.bgColor[2] = b;
+ font.bgColor[3] = a;
+}
+void fontShadowColorp (float *clr)
+{
+ font.bgColor[0] = clr[0];
+ font.bgColor[1] = clr[1];
+ font.bgColor[2] = clr[2];
+ font.bgColor[3] = 1.0;
+}
+void fontShadowColorAp (float *clr)
+{
+ font.bgColor[0] = clr[0];
+ font.bgColor[1] = clr[1];
+ font.bgColor[2] = clr[2];
+ font.bgColor[3] = clr[3];
+}
+/*
+=============
+fontGradientColor, fontGradientColorA, fontGradientColorp, fontGradientColorAp
+
+Sets the currect gradient color for the text.
+=============
+*/
+void fontGradientColor (float r, float g, float b)
+{
+ font.gdColor[0] = r;
+ font.gdColor[1] = g;
+ font.gdColor[2] = b;
+ font.gdColor[3] = 1.0;
+}
+void fontGradientColorA (float r, float g, float b, float a)
+{
+ font.gdColor[0] = r;
+ font.gdColor[1] = g;
+ font.gdColor[2] = b;
+ font.gdColor[3] = a;
+}
+void fontGradientColorp (float *clr)
+{
+ font.gdColor[0] = clr[0];
+ font.gdColor[1] = clr[1];
+ font.gdColor[2] = clr[2];
+ font.gdColor[3] = 1.0;
+}
+void fontGradientColorAp (float *clr)
+{
+ font.gdColor[0] = clr[0];
+ font.gdColor[1] = clr[1];
+ font.gdColor[2] = clr[2];
+ font.gdColor[3] = clr[3];
+}
--- /dev/null
+/*
+ Copyright (c) 1999 Nate Miller
+
+ Notice: Usage of any code in this file is subject to the rules
+ described in the LICENSE.TXT file included in this directory.
+ Reading, compiling, or otherwise using this code constitutes
+ automatic acceptance of the rules in said text file.
+
+ File -- glTexFontDefs.h
+ Date -- 5/31/99
+ Author -- Nate 'm|d' Miller
+ Contact -- vandals1@home.com
+ Web -- http://members.home.com/vandals1
+
+ All functions are called internally by the library, These should never be
+ called from anywhere but INSIDE the library. Versy messy but doesn't
+ matter all that much.
+*/
+/*
+ FONT_BLOCK_COL, FONT_BLOCK_ROW
+
+ Number of characters per row and per col in the font map.
+ FONT_BLOCK_COL * FONT_BLOCK_ROW must equal 256. If it doesn't the library
+ will fail to work properly. Why 256? Chars range from 0 to 255.
+*/
+#define FONT_BLOCK_COL 16
+#define FONT_BLOCK_ROW 16
+#define FONT_GET_MODES 1
+#define FONT_RESTORE_MODES 2
+#define FONT_MAX_LEN 1024 /* maximum chars to draw to the screen, used for buffers also */
+#define FONT_TAB_SPACE 4 /* spaces to draw for a tab, make option? */
+#define FONT_ITOF (float) pow (255, -1)
+#define FONT_ITALIC 8 /* italic amount in pixels */
+#define fontColorCopy(a,b) {b[0]= a[0]; b[1]= a[1]; b[2]= a[2]; b[3]= a[3];} /* copys colors */
+
+/* various functions used by the library, see texFont.c for info */
+void fontDrawChar (char c, int x, int y, int size, int shadow);
+void fontScissorNormal (int xpos, int ypos, int tabs, int carrage, int size, int len);
+int fontSetColorFromToken (char *s);
+int fontGetCharHits (char *s, char f);
+void fontMakeMap (void);
+void fontSetModes (int state);
+void fontReset (void);
+void fontScissorTextRegion (void);
+int fontItalicsMode (char *s);
+int fontBoldMode (char *s);
+void fontRenderChar (char c, int x, int y, int size);
--- /dev/null
+/*
+ Copyright (c) 1999 Nate Miller
+
+ Notice: Usage of any code in this file is subject to the rules
+ described in the LICENSE.TXT file included in this directory.
+ Reading, compiling, or otherwise using this code constitutes
+ automatic acceptance of the rules in said text file.
+
+ File -- glTexFontInclude.h
+ Date -- 6/12/99
+ Author -- Nate 'm|d' Miller
+ Contact -- vandals1@home.com
+ Web -- http://members.home.com/vandals1
+*/
+/* just generic headers to include, nothing fancy */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <math.h>
+#ifdef _WIN32
+#include <windows.h>
+#include <winuser.h>
+#include <tchar.h>
+#endif
+#include <GL/gl.h>
--- /dev/null
+/*
+ Copyright (c) 1999 Nate Miller
+
+ Notice: Usage of any code in this file is subject to the rules
+ described in the LICENSE.TXT file included in this directory.
+ Reading, compiling, or otherwise using this code constitutes
+ automatic acceptance of the rules in said text file.
+
+ File -- glTexFontTGA.c
+ Date -- 5/30/99
+ Author -- Nate 'm|d' Miller
+ Contact -- vandals1@home.com
+ Web -- http://members.home.com/vandals1
+
+ Change Log
+ **********
+ 6/11/99 - added support for 8bit images, changed commenting
+ 5/30/99 - original file
+*/
+#include "glTexFont.h"
+#include "glTexFontTGA.h"
+#include "glTexFontInclude.h"
+
+GLenum texFormat;
+
+/*
+=============
+fontCheckSize
+
+Make sure its a power of 2.
+=============
+*/
+int fontCheckSize (int x)
+{
+ if (x == 2 || x == 4 ||
+ x == 8 || x == 16 ||
+ x == 32 || x == 64 ||
+ x == 128 || x == 256 || x == 512)
+ return 1;
+ else return 0;
+}
+/*
+=============
+fontGetRGBA
+
+Reads in RGBA data for a 32bit image.
+=============
+*/
+unsigned char *fontGetRGBA (FILE *s, int size)
+{
+ unsigned char *rgba;
+ unsigned char temp;
+ int bread;
+ int i;
+
+ rgba = malloc (size * 4);
+
+ if (rgba == NULL)
+ return 0;
+
+ bread = fread (rgba, sizeof (unsigned char), size * 4, s);
+
+ /* TGA is stored in BGRA, make it RGBA */
+ if (bread != size * 4)
+ {
+ free (rgba);
+ return 0;
+ }
+
+ for (i = 0; i < size * 4; i += 4 )
+ {
+ temp = rgba[i];
+ rgba[i] = rgba[i + 2];
+ rgba[i + 2] = temp;
+ }
+
+ texFormat = GL_RGBA;
+ return rgba;
+}
+/*
+=============
+fontGetRGB
+
+Reads in RGB data for a 24bit image.
+=============
+*/
+unsigned char *fontGetRGB (FILE *s, int size)
+{
+ unsigned char *rgb;
+ unsigned char temp;
+ int bread;
+ int i;
+
+ rgb = malloc (size * 3);
+
+ if (rgb == NULL)
+ return 0;
+
+ bread = fread (rgb, sizeof (unsigned char), size * 3, s);
+
+ if (bread != size * 3)
+ {
+ free (rgb);
+ return 0;
+ }
+
+ /* TGA is stored in BGR, make it RGB */
+ for (i = 0; i < size * 3; i += 3)
+ {
+ temp = rgb[i];
+ rgb[i] = rgb[i + 2];
+ rgb[i + 2] = temp;
+ }
+
+ texFormat = GL_RGB;
+
+ return rgb;
+}
+/*
+=============
+fontGetGray
+
+Reads a gray scale image.
+=============
+*/
+unsigned char *fontGetGray (FILE *s, int size)
+{
+ unsigned char *grayData;
+ int bread;
+
+ grayData = malloc (size);
+
+ if (grayData == NULL)
+ return 0;
+
+ bread = fread (grayData, sizeof (unsigned char), size, s);
+
+ if (bread != size)
+ {
+ free (grayData);
+ return 0;
+ }
+
+ texFormat = GL_ALPHA;
+
+ return grayData;
+}
+/*
+=============
+fontGetData
+
+Gets the image data for the specified bit depth.
+=============
+*/
+unsigned char *fontGetData (FILE *s, int sz, int iBits)
+{
+ if (iBits == 32)
+ return fontGetRGBA (s, sz);
+ else if (iBits == 24)
+ return fontGetRGB (s, sz);
+ else if (iBits == 8)
+ return fontGetGray (s, sz);
+ else
+ return 0;
+}
+/*
+=============
+fontLoadTGA
+
+Loads up a targa file. Supported types are 8,24 and 32 uncompressed images.
+=============
+*/
+int fontLoadTGA (char *name, int id)
+{
+ unsigned char type[4];
+ unsigned char info[7];
+ unsigned char *imageData = NULL;
+ int imageWidth, imageHeight;
+ int imageBits, size;
+ FILE *s;
+
+#ifdef _WIN32
+ if (!(s = fopen (name, "r+bt")))
+#else
+// FIXME - the file exists but I still error on this fopen() call
+fprintf(stderr,"font: %s\n", name);
+ if (!(s = fopen (name, "rb")))
+#endif
+ return FONT_FILE_NOT_FOUND;
+
+ fread (&type, sizeof (char), 3, s); // read in colormap info and image type, byte 0 ignored
+ fseek (s, 12, SEEK_SET); // seek past the header and useless info
+ fread (&info, sizeof (char), 6, s);
+
+ if (type[1] != 0 || (type[2] != 2 && type[2] != 3))
+ return FONT_BAD_IMAGE_TYPE;
+
+ imageWidth = info[0] + info[1] * 256;
+ imageHeight = info[2] + info[3] * 256;
+ imageBits = info[4];
+
+ size = imageWidth * imageHeight;
+
+ /* make sure dimension is a power of 2 */
+ if (!fontCheckSize (imageWidth) || !fontCheckSize (imageHeight))
+ return FONT_BAD_DIMENSION;
+
+ /* make sure we are loading a supported type */
+ if (imageBits != 32 && imageBits != 24 && imageBits != 8)
+ return FONT_BAD_BITS;
+
+ imageData = fontGetData (s, size, imageBits);
+
+ fclose (s);
+
+ /* no image data */
+ if (imageData == NULL)
+ return FONT_BAD_DATA;
+
+ glBindTexture (GL_TEXTURE_2D, id);
+ glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ /* glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); */
+ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ /* glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); */
+ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glTexImage2D (GL_TEXTURE_2D, 0, texFormat, imageWidth, imageHeight, 0, texFormat, GL_UNSIGNED_BYTE, imageData);
+
+ /* release data, its been uploaded */
+ free (imageData);
+
+ return 1;
+}
+
--- /dev/null
+/*
+ Copyright (c) 1999 Nate Miller
+
+ Notice: Usage of any code in this file is subject to the rules
+ described in the LICENSE.TXT file included in this directory.
+ Reading, compiling, or otherwise using this code constitutes
+ automatic acceptance of the rules in said text file.
+
+ File -- glTexFontTGA.c
+ Date -- 5/30/99
+ Author -- Nate 'm|d' Miller
+ Contact -- vandals1@home.com
+ Web -- http://members.home.com/vandals1
+*/
+int fontLoadTGA (char *name, int id); /* id is the texture id to bind too */
+
projects / graphviz / commitdiff