Apply our FLTK extensions
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4605 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/fl_draw_pixmap.cxx b/common/fltk/src/fl_draw_pixmap.cxx
index 68f7df6..b024485 100644
--- a/common/fltk/src/fl_draw_pixmap.cxx
+++ b/common/fltk/src/fl_draw_pixmap.cxx
@@ -67,99 +67,6 @@
return 1;
}
-#ifdef U64
-
-// The callback from fl_draw_image to get a row of data passes this:
-struct pixmap_data {
- int w, h;
- const uchar*const* data;
- union {
- U64 colors[256];
- U64* byte1[256];
- };
-};
-
-// callback for 1 byte per pixel:
-static void cb1(void*v, int x, int y, int w, uchar* buf) {
- pixmap_data& d = *(pixmap_data*)v;
- const uchar* p = d.data[y]+x;
- U64* q = (U64*)buf;
- for (int X=w; X>0; X-=2, p += 2) {
- if (X>1) {
-# if WORDS_BIGENDIAN
- *q++ = (d.colors[p[0]]<<32) | d.colors[p[1]];
-# else
- *q++ = (d.colors[p[1]]<<32) | d.colors[p[0]];
-# endif
- } else {
-# if WORDS_BIGENDIAN
- *q++ = d.colors[p[0]]<<32;
-# else
- *q++ = d.colors[p[0]];
-# endif
- }
- }
-}
-
-// callback for 2 bytes per pixel:
-static void cb2(void*v, int x, int y, int w, uchar* buf) {
- pixmap_data& d = *(pixmap_data*)v;
- const uchar* p = d.data[y]+2*x;
- U64* q = (U64*)buf;
- for (int X=w; X>0; X-=2) {
- U64* colors = d.byte1[*p++];
- int index = *p++;
- if (X>1) {
- U64* colors1 = d.byte1[*p++];
- int index1 = *p++;
-# if WORDS_BIGENDIAN
- *q++ = (colors[index]<<32) | colors1[index1];
-# else
- *q++ = (colors1[index1]<<32) | colors[index];
-# endif
- } else {
-# if WORDS_BIGENDIAN
- *q++ = colors[index]<<32;
-# else
- *q++ = colors[index];
-# endif
- }
- }
-}
-
-#else // U32
-
-// The callback from fl_draw_image to get a row of data passes this:
-struct pixmap_data {
- int w, h;
- const uchar*const* data;
- union {
- U32 colors[256];
- U32* byte1[256];
- };
-};
-
-// callback for 1 byte per pixel:
-static void cb1(void*v, int x, int y, int w, uchar* buf) {
- pixmap_data& d = *(pixmap_data*)v;
- const uchar* p = d.data[y]+x;
- U32* q = (U32*)buf;
- for (int X=w; X--;) *q++ = d.colors[*p++];
-}
-
-// callback for 2 bytes per pixel:
-static void cb2(void*v, int x, int y, int w, uchar* buf) {
- pixmap_data& d = *(pixmap_data*)v;
- const uchar* p = d.data[y]+2*x;
- U32* q = (U32*)buf;
- for (int X=w; X--;) {
- U32* colors = d.byte1[*p++];
- *q++ = colors[*p++];
- }
-}
-
-#endif // U64 else U32
-
uchar **fl_mask_bitmap; // if non-zero, create bitmap and store pointer here
/**
@@ -209,34 +116,33 @@
}
#endif
-/**
- Draw XPM image data, with the top-left corner at the given position.
- \see fl_draw_pixmap(char* const* data, int x, int y, Fl_Color bg)
- */
-int fl_draw_pixmap(const char*const* cdata, int x, int y, Fl_Color bg) {
- pixmap_data d;
- if (!fl_measure_pixmap(cdata, d.w, d.h)) return 0;
+int fl_convert_pixmap(const char*const* cdata, uchar* out, Fl_Color bg) {
+ int w, h;
const uchar*const* data = (const uchar*const*)(cdata+1);
int transparent_index = -1;
uchar *transparent_c = (uchar *)0; // such that transparent_c[0,1,2] are the RGB of the transparent color
+
+ if (!fl_measure_pixmap(cdata, w, h))
+ return 0;
+
+ if ((chars_per_pixel < 1) || (chars_per_pixel > 2))
+ return 0;
+
+ uchar (*colors)[4] = new uchar [1<<(chars_per_pixel*8)][4];
+
#ifdef WIN32
color_count = 0;
used_colors = (uchar *)malloc(abs(ncolors)*3*sizeof(uchar));
#endif
- if (ncolors < 0) { // FLTK (non standard) compressed colormap
+ if (ncolors < 0) {
+ // FLTK (non standard) compressed colormap
ncolors = -ncolors;
const uchar *p = *data++;
// if first color is ' ' it is transparent (put it later to make
// it not be transparent):
if (*p == ' ') {
- uchar* c = (uchar*)&d.colors[(int)' '];
-#ifdef U64
- *(U64*)c = 0;
-# if WORDS_BIGENDIAN
- c += 4;
-# endif
-#endif
+ uchar* c = colors[(int)' '];
transparent_index = ' ';
Fl::get_color(bg, c[0], c[1], c[2]); c[3] = 0;
transparent_c = c;
@@ -245,13 +151,7 @@
}
// read all the rest of the colors:
for (int i=0; i < ncolors; i++) {
- uchar* c = (uchar*)&d.colors[*p++];
-#ifdef U64
- *(U64*)c = 0;
-# if WORDS_BIGENDIAN
- c += 4;
-# endif
-#endif
+ uchar* c = colors[*p++];
#ifdef WIN32
used_colors[3*color_count] = *p;
used_colors[3*color_count+1] = *(p+1);
@@ -261,75 +161,49 @@
*c++ = *p++;
*c++ = *p++;
*c++ = *p++;
-#ifdef __APPLE_QUARTZ__
*c = 255;
-#else
- *c = 0;
-#endif
}
- } else { // normal XPM colormap with names
- if (chars_per_pixel>1) memset(d.byte1, 0, sizeof(d.byte1));
+ } else {
+ // normal XPM colormap with names
for (int i=0; i<ncolors; i++) {
const uchar *p = *data++;
// the first 1 or 2 characters are the color index:
int ind = *p++;
uchar* c;
- if (chars_per_pixel>1) {
-#ifdef U64
- U64* colors = d.byte1[ind];
- if (!colors) colors = d.byte1[ind] = new U64[256];
-#else
- U32* colors = d.byte1[ind];
- if (!colors) colors = d.byte1[ind] = new U32[256];
-#endif
- c = (uchar*)&colors[*p];
- ind = (ind<<8)|*p++;
- } else {
- c = (uchar *)&d.colors[ind];
- }
+ if (chars_per_pixel>1)
+ ind = (ind<<8)|*p++;
+ c = colors[ind];
// look for "c word", or last word if none:
const uchar *previous_word = p;
for (;;) {
- while (*p && isspace(*p)) p++;
- uchar what = *p++;
- while (*p && !isspace(*p)) p++;
- while (*p && isspace(*p)) p++;
- if (!*p) {p = previous_word; break;}
- if (what == 'c') break;
- previous_word = p;
- while (*p && !isspace(*p)) p++;
+ while (*p && isspace(*p)) p++;
+ uchar what = *p++;
+ while (*p && !isspace(*p)) p++;
+ while (*p && isspace(*p)) p++;
+ if (!*p) {p = previous_word; break;}
+ if (what == 'c') break;
+ previous_word = p;
+ while (*p && !isspace(*p)) p++;
}
-#ifdef U64
- *(U64*)c = 0;
-# if WORDS_BIGENDIAN
- c += 4;
-# endif
-#endif
-#ifdef __APPLE_QUARTZ__
- c[3] = 255;
-#endif
int parse = fl_parse_color((const char*)p, c[0], c[1], c[2]);
+ c[3] = 255;
if (parse) {
#ifdef WIN32
- used_colors[3*color_count] = c[0];
- used_colors[3*color_count+1] = c[1];
- used_colors[3*color_count+2] = c[2];
- color_count++;
+ used_colors[3*color_count] = c[0];
+ used_colors[3*color_count+1] = c[1];
+ used_colors[3*color_count+2] = c[2];
+ color_count++;
#endif
- }
- else {
+ } else {
// assume "None" or "#transparent" for any errors
- // "bg" should be transparent...
- Fl::get_color(bg, c[0], c[1], c[2]);
-#ifdef __APPLE_QUARTZ__
+ // "bg" should be transparent...
+ Fl::get_color(bg, c[0], c[1], c[2]);
c[3] = 0;
-#endif
- transparent_index = ind;
- transparent_c = c;
+ transparent_index = ind;
+ transparent_c = c;
}
}
}
- d.data = data;
#ifdef WIN32
if (transparent_c) {
make_unused_color(transparent_c[0], transparent_c[1], transparent_c[2]);
@@ -339,88 +213,89 @@
make_unused_color(r, g, b);
}
#endif
-
-#ifdef __APPLE_QUARTZ__
- if (fl_graphics_driver->class_name() == Fl_Quartz_Graphics_Driver::class_id ) {
- bool transparent = (transparent_index>=0);
- transparent = true;
- U32 *array = new U32[d.w * d.h], *q = array;
- for (int Y = 0; Y < d.h; Y++) {
- const uchar* p = data[Y];
- if (chars_per_pixel <= 1) {
- for (int X = 0; X < d.w; X++) {
- *q++ = d.colors[*p++];
- }
- } else {
- for (int X = 0; X < d.w; X++) {
- U32* colors = (U32*)d.byte1[*p++];
- *q++ = colors[*p++];
- }
+
+ U32 *q = (U32*)out;
+ for (int Y = 0; Y < h; Y++) {
+ const uchar* p = data[Y];
+ if (chars_per_pixel <= 1) {
+ for (int X = 0; X < w; X++)
+ memcpy(q++, colors[*p++], 4);
+ } else {
+ for (int X = 0; X < w; X++) {
+ int ind = (*p++)<<8;
+ ind |= *p++;
+ memcpy(q++, colors[ind], 4);
}
}
+ }
+
+ delete [] colors;
+ return 1;
+}
+
+/**
+ Draw XPM image data, with the top-left corner at the given position.
+ \see fl_draw_pixmap(char* const* data, int x, int y, Fl_Color bg)
+ */
+int fl_draw_pixmap(const char*const* cdata, int x, int y, Fl_Color bg) {
+ int w, h;
+
+ if (!fl_measure_pixmap(cdata, w, h))
+ return 0;
+
+ uchar *buffer = new uchar[w*h*4];
+
+ if (!fl_convert_pixmap(cdata, buffer, bg)) {
+ delete buffer;
+ return 0;
+ }
+
+ // FIXME: Hack until fl_draw_image() supports alpha properly
+#ifdef __APPLE_QUARTZ__
+ if (fl_graphics_driver->class_name() == Fl_Quartz_Graphics_Driver::class_id ) {
CGColorSpaceRef lut = CGColorSpaceCreateDeviceRGB();
- CGDataProviderRef src = CGDataProviderCreateWithData( 0L, array, d.w * d.h * 4, 0L);
- CGImageRef img = CGImageCreate(d.w, d.h, 8, 4*8, 4*d.w,
- lut, transparent?kCGImageAlphaLast:kCGImageAlphaNoneSkipLast,
- src, 0L, false, kCGRenderingIntentDefault);
+ CGDataProviderRef src = CGDataProviderCreateWithData( 0L, buffer, w * h * 4, 0L);
+ CGImageRef img = CGImageCreate(w, h, 8, 4*8, 4*w,
+ lut, kCGImageAlphaLast,
+ src, 0L, false, kCGRenderingIntentDefault);
CGColorSpaceRelease(lut);
CGDataProviderRelease(src);
- CGRect rect = { { x, y} , { d.w, d.h } };
- Fl_X::q_begin_image(rect, 0, 0, d.w, d.h);
+ CGRect rect = { { x, y }, { w, h } };
+ Fl_X::q_begin_image(rect, 0, 0, w, h);
CGContextDrawImage(fl_gc, rect, img);
Fl_X::q_end_image();
CGImageRelease(img);
- delete[] array;
- }
- else {
+ } else {
#endif // __APPLE_QUARTZ__
-
// build the mask bitmap used by Fl_Pixmap:
- if (fl_mask_bitmap && transparent_index >= 0) {
- int W = (d.w+7)/8;
- uchar* bitmap = new uchar[W * d.h];
+ if (fl_mask_bitmap) {
+ int W = (w+7)/8;
+ uchar* bitmap = new uchar[W * h];
*fl_mask_bitmap = bitmap;
- for (int Y = 0; Y < d.h; Y++) {
- const uchar* p = data[Y];
- if (chars_per_pixel <= 1) {
- int dw = d.w;
- for (int X = 0; X < W; X++) {
- uchar b = (dw-->0 && *p++ != transparent_index);
- if (dw-->0 && *p++ != transparent_index) b |= 2;
- if (dw-->0 && *p++ != transparent_index) b |= 4;
- if (dw-->0 && *p++ != transparent_index) b |= 8;
- if (dw-->0 && *p++ != transparent_index) b |= 16;
- if (dw-->0 && *p++ != transparent_index) b |= 32;
- if (dw-->0 && *p++ != transparent_index) b |= 64;
- if (dw-->0 && *p++ != transparent_index) b |= 128;
- *bitmap++ = b;
- }
- } else {
- uchar b = 0, bit = 1;
- for (int X = 0; X < d.w; X++) {
- int ind = *p++;
- ind = (ind<<8) | (*p++);
- if (ind != transparent_index) b |= bit;
-
- if (bit < 128) bit <<= 1;
- else {
- *bitmap++ = b;
- b = 0;
- bit = 1;
- }
- }
-
- if (bit > 1) *bitmap++ = b;
+ const uchar *p = &buffer[3];
+ for (int Y = 0; Y < h; Y++) {
+ int dw = w;
+ for (int X = 0; X < W; X++) {
+ uchar b = 0;
+ for (int bit = 0x01;bit <= 0x80;bit<<=1) {
+ if (dw-- < 0)
+ break;
+ if (*p > 127)
+ b |= bit;
+ p += 4;
+ }
+ *bitmap++ = b;
}
}
}
- fl_draw_image(chars_per_pixel==1 ? cb1 : cb2, &d, x, y, d.w, d.h, 4);
+ fl_draw_image(buffer, x, y, w, h, 4);
+
#ifdef __APPLE_QUARTZ__
}
#endif
- if (chars_per_pixel > 1) for (int i = 0; i < 256; i++) delete[] d.byte1[i];
+ delete buffer;
return 1;
}