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Add support for 2-byte XPM files.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1810 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet
2001-12-05 00:19:26 +00:00
parent 2fbee9c150
commit a8f3f02214
2 changed files with 24 additions and 20 deletions
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CHANGES
+2
View File
@@ -8,6 +8,8 @@ CHANGES IN FLTK 1.1.0b7
- Fl_File_Icon::load_image() could cause segfaults
(NULL data and incrementing the data pointer too
often.)
- Fl_File_Icon::load_image() now handles 2-byte
per color XPM files.
- Some Win32 drivers would draw into wrong buffers
after OpenGL mode change.
- Message handling and Resources for MacOS port.
src/Fl_File_Icon2.cxx
+22 -20
View File
@@ -1,5 +1,5 @@
//
// "$Id: Fl_File_Icon2.cxx,v 1.1.2.5 2001/12/05 00:06:41 easysw Exp $"
// "$Id: Fl_File_Icon2.cxx,v 1.1.2.6 2001/12/05 00:19:26 easysw Exp $"
//
// Fl_File_Icon system icon routines.
//
@@ -410,7 +410,7 @@ Fl_File_Icon::load_image(const char *ifile) // I - File to read from
*const*ptr; // Pointer into data array
int ncolors, // Number of colors
chars_per_color; // Characters per color
Fl_Color colors[256]; // Colors
Fl_Color *colors; // Colors
int red, green, blue; // Red, green, and blue values
int x, y; // X & Y in image
int startx; // Starting X coord
@@ -419,15 +419,11 @@ Fl_File_Icon::load_image(const char *ifile) // I - File to read from
// Get the pixmap data...
ptr = img->data();
sscanf(*ptr, "%*d%*d%d%d", &ncolors, &chars_per_color);
if (chars_per_color > 1) {
Fl::warning("Fl_Icon_File::load(): Unable to load 2-byte XPM file \"%s\"!",
ifile);
img->release();
return (-1);
}
colors = new Fl_Color[1 << (chars_per_color * 8)];
// Read the colormap...
memset(colors, 0, sizeof(colors));
memset(colors, 0, sizeof(Fl_Color) << (chars_per_color * 8));
bg = ' ';
ptr ++;
@@ -448,6 +444,8 @@ Fl_File_Icon::load_image(const char *ifile) // I - File to read from
lineptr = *ptr;
ch = *lineptr++;
if (chars_per_color > 1) ch = (ch << 8) | *lineptr++;
// Get the color value...
if ((lineptr = strstr(lineptr, "c ")) == NULL) {
// No color; make this black...
@@ -516,17 +514,18 @@ Fl_File_Icon::load_image(const char *ifile) // I - File to read from
}
// Read the image data...
for (y = 0; y < img->h(); y ++, ptr ++)
{
for (y = 0; y < img->h(); y ++, ptr ++) {
lineptr = *ptr;
startx = 0;
ch = bg;
for (x = 0; x < img->w(); x ++, lineptr ++)
if (*lineptr != ch)
{
if (ch != bg)
{
for (x = 0; x < img->w(); x ++) {
newch = *lineptr++;
if (chars_per_color > 1) newch = (newch << 8) | *lineptr++;
if (newch != ch) {
if (ch != bg) {
add_color(colors[ch]);
add(POLYGON);
add_vertex(startx * 9000 / img->w() + 1000, 9500 - y * 9000 / img->h());
@@ -536,12 +535,12 @@ Fl_File_Icon::load_image(const char *ifile) // I - File to read from
add(END);
}
ch = *lineptr;
ch = newch;
startx = x;
}
}
if (ch != bg)
{
if (ch != bg) {
add_color(colors[ch]);
add(POLYGON);
add_vertex(startx * 9000 / img->w() + 1000, 9500 - y * 9000 / img->h());
@@ -551,6 +550,9 @@ Fl_File_Icon::load_image(const char *ifile) // I - File to read from
add(END);
}
}
// Free the colormap...
delete[] colors;
}
img->release();
@@ -923,5 +925,5 @@ get_kde_val(char *str,
//
// End of "$Id: Fl_File_Icon2.cxx,v 1.1.2.5 2001/12/05 00:06:41 easysw Exp $".
// End of "$Id: Fl_File_Icon2.cxx,v 1.1.2.6 2001/12/05 00:19:26 easysw Exp $".
//