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authorPixel <pixel@nobis-crew.org>2009-11-04 11:56:41 -0800
committerPixel <pixel@nobis-crew.org>2009-11-04 11:59:33 -0800
commitd577d991b97ae2b5ee1af23641bcffc3f83af5b2 (patch)
tree590639d50205d1bcfaff2a7d2dc6ebf3f373c7ed /iup/src/mot/iupmot_image.c
Initial import. Contains the im, cd and iup librairies, and a "working" Makefile for them under linux.
Diffstat (limited to 'iup/src/mot/iupmot_image.c')
-rwxr-xr-xiup/src/mot/iupmot_image.c397
1 files changed, 397 insertions, 0 deletions
diff --git a/iup/src/mot/iupmot_image.c b/iup/src/mot/iupmot_image.c
new file mode 100755
index 0000000..b0078d5
--- /dev/null
+++ b/iup/src/mot/iupmot_image.c
@@ -0,0 +1,397 @@
+/** \file
+ * \brief Image Resource.
+ *
+ * See Copyright Notice in "iup.h"
+ */
+
+#include <Xm/Xm.h>
+
+#include <stdio.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <memory.h>
+
+#include "iup.h"
+
+#include "iup_object.h"
+#include "iup_attrib.h"
+#include "iup_str.h"
+#include "iup_image.h"
+#include "iup_drvinfo.h"
+
+#include "iupmot_drv.h"
+#include "iupmot_color.h"
+
+
+void iupdrvImageGetRawData(void* handle, unsigned char* imgdata)
+{
+ Pixmap pixmap = (Pixmap)handle;
+ int w, h, y, x, bpp;
+ XImage *xi;
+
+ if (!iupdrvImageGetInfo(handle, &w, &h, &bpp))
+ return;
+
+ if (bpp==8)
+ return;
+
+ xi = XGetImage(iupmot_display, pixmap, 0, 0, w, h, ULONG_MAX, ZPixmap);
+ if (xi)
+ {
+ /* planes are separated in imgdata */
+ int planesize = w*h;
+ unsigned char *r = imgdata,
+ *g = imgdata+planesize,
+ *b = imgdata+2*planesize;
+ for (y=0; y<h; y++)
+ {
+ int lineoffset = (h-1 - y)*w; /* imgdata is bottom up */
+ for (x=0; x<w; x++)
+ {
+ iupmotColorGetRGB(XGetPixel(xi, x, y), r + lineoffset+x, g + lineoffset+x, b + lineoffset+x);
+ }
+ }
+
+ XDestroyImage(xi);
+ }
+}
+
+void* iupdrvImageCreateImageRaw(int width, int height, int bpp, iupColor* colors, int colors_count, unsigned char *imgdata)
+{
+ int y, x;
+ Pixmap pixmap;
+ GC gc;
+
+ pixmap = XCreatePixmap(iupmot_display,
+ RootWindow(iupmot_display,iupmot_screen),
+ width, height, iupdrvGetScreenDepth());
+ if (!pixmap)
+ return NULL;
+
+ gc = XCreateGC(iupmot_display,pixmap,0,NULL);
+
+ /* Pixmap is top-bottom */
+ /* imgdata is bottom up */
+
+ if (bpp == 8)
+ {
+ Pixel color2pixel[256];
+ int i;
+ for (i=0;i<colors_count;i++)
+ color2pixel[i] = iupmotColorGetPixel(colors[i].r, colors[i].g, colors[i].b);
+
+ for (y=0;y<height;y++)
+ {
+ int lineoffset = (height-1 - y)*width; /* imgdata is bottom up */
+ for(x=0;x<width;x++)
+ {
+ unsigned long p = color2pixel[imgdata[lineoffset+x]];
+ XSetForeground(iupmot_display,gc,p);
+ XDrawPoint(iupmot_display,pixmap,gc,x,y);
+ }
+ }
+ }
+ else
+ {
+ /* planes are separated in imgdata */
+ int planesize = width*height;
+ unsigned char *r = imgdata,
+ *g = imgdata+planesize,
+ *b = imgdata+2*planesize;
+ for (y=0;y<height;y++)
+ {
+ int lineoffset = (height-1 - y)*width; /* imgdata is bottom up */
+ for(x=0;x<width;x++)
+ {
+ unsigned long p = iupmotColorGetPixel(r[lineoffset+x], g[lineoffset+x], b[lineoffset+x]);
+ XSetForeground(iupmot_display,gc,p);
+ XDrawPoint(iupmot_display,pixmap,gc,x,y);
+ }
+ }
+ }
+
+ XFreeGC(iupmot_display,gc);
+
+ return (void*)pixmap;
+}
+
+void* iupdrvImageCreateImage(Ihandle *ih, const char* bgcolor, int make_inactive)
+{
+ int y, x, bpp, bgcolor_depend = 0,
+ width = ih->currentwidth,
+ height = ih->currentheight;
+ unsigned char *imgdata = (unsigned char*)iupAttribGetStr(ih, "WID");
+ Pixmap pixmap;
+ unsigned char bg_r=0, bg_g=0, bg_b=0;
+ GC gc;
+ Pixel color2pixel[256];
+
+ bpp = iupAttribGetInt(ih, "BPP");
+
+ iupStrToRGB(bgcolor, &bg_r, &bg_g, &bg_b);
+
+ if (bpp == 8)
+ {
+ int i, colors_count = 0;
+ iupColor colors[256];
+
+ iupImageInitColorTable(ih, colors, &colors_count);
+
+ for (i=0;i<colors_count;i++)
+ {
+ if (colors[i].a == 0)
+ {
+ colors[i].r = bg_r;
+ colors[i].g = bg_g;
+ colors[i].b = bg_b;
+ colors[i].a = 255;
+ bgcolor_depend = 1;
+ }
+
+ if (make_inactive)
+ iupImageColorMakeInactive(&(colors[i].r), &(colors[i].g), &(colors[i].b),
+ bg_r, bg_g, bg_b);
+
+ color2pixel[i] = iupmotColorGetPixel(colors[i].r, colors[i].g, colors[i].b);
+ }
+ }
+
+ pixmap = XCreatePixmap(iupmot_display,
+ RootWindow(iupmot_display,iupmot_screen),
+ width, height, iupdrvGetScreenDepth());
+ if (!pixmap)
+ return NULL;
+
+ gc = XCreateGC(iupmot_display,pixmap,0,NULL);
+ for (y=0;y<height;y++)
+ {
+ for(x=0;x<width;x++)
+ {
+ unsigned long p;
+ if (bpp == 8)
+ p = color2pixel[imgdata[y*width+x]];
+ else
+ {
+ int channels = (bpp==24)? 3: 4;
+ unsigned char *pixel_data = imgdata + y*width*channels + x*channels;
+ unsigned char r = *(pixel_data),
+ g = *(pixel_data+1),
+ b = *(pixel_data+2);
+
+ if (bpp == 32)
+ {
+ unsigned char a = *(pixel_data+3);
+ if (a != 255)
+ {
+ r = iupALPHABLEND(r, bg_r, a);
+ g = iupALPHABLEND(g, bg_g, a);
+ b = iupALPHABLEND(b, bg_b, a);
+ bgcolor_depend = 1;
+ }
+ }
+
+ if (make_inactive)
+ iupImageColorMakeInactive(&r, &g, &b, bg_r, bg_g, bg_b);
+
+ p = iupmotColorGetPixel(r, g, b);
+ }
+
+ XSetForeground(iupmot_display,gc,p);
+ XDrawPoint(iupmot_display,pixmap,gc,x,y);
+ }
+ }
+ XFreeGC(iupmot_display,gc);
+
+ if (bgcolor_depend || make_inactive)
+ iupAttribSetStr(ih, "_IUP_BGCOLOR_DEPEND", "1");
+
+ return (void*)pixmap;
+}
+
+void* iupdrvImageCreateIcon(Ihandle *ih)
+{
+ return iupdrvImageCreateImage(ih, NULL, 0);
+}
+
+void* iupdrvImageCreateCursor(Ihandle *ih)
+{
+ int bpp,y,x,hx,hy,
+ width = ih->currentwidth,
+ height = ih->currentheight,
+ line_size = (width+7)/8,
+ size_bytes = line_size*height;
+ unsigned char *imgdata = (unsigned char*)iupAttribGetStr(ih, "WID");
+ char *sbits, *mbits, *sb, *mb;
+ Pixmap source, mask;
+ XColor fg, bg;
+ unsigned char r, g, b;
+ Cursor cursor;
+
+ bpp = iupAttribGetInt(ih, "BPP");
+ if (bpp > 8)
+ return NULL;
+
+ sbits = (char*)malloc(2*size_bytes);
+ if (!sbits) return NULL;
+ memset(sbits, 0, 2*size_bytes);
+ mbits = sbits + size_bytes;
+
+ sb = sbits;
+ mb = mbits;
+ for (y=0; y<height; y++)
+ {
+ for (x=0; x<width; x++)
+ {
+ int byte = x/8;
+ int bit = x%8;
+ int index = (int)imgdata[y*width+x];
+ /* index==0 is transparent */
+ if (index == 1)
+ sb[byte] = (char)(sb[byte] | (1<<bit));
+ if (index != 0)
+ mb[byte] = (char)(mb[byte] | (1<<bit));
+ }
+
+ sb += line_size;
+ mb += line_size;
+ }
+
+ r = 255; g = 255; b = 255;
+ iupStrToRGB(iupAttribGet(ih, "1"), &r, &g, &b );
+ fg.red = iupCOLOR8TO16(r);
+ fg.green = iupCOLOR8TO16(g);
+ fg.blue = iupCOLOR8TO16(b);
+ fg.flags = DoRed | DoGreen | DoBlue;
+
+ r = 0; g = 0; b = 0;
+ iupStrToRGB(iupAttribGet(ih, "2"), &r, &g, &b );
+ bg.red = iupCOLOR8TO16(r);
+ bg.green = iupCOLOR8TO16(g);
+ bg.blue = iupCOLOR8TO16(b);
+ bg.flags = DoRed | DoGreen | DoBlue;
+
+ hx=0; hy=0;
+ iupStrToIntInt(iupAttribGet(ih, "HOTSPOT"), &hx, &hy, ':');
+
+ source = XCreateBitmapFromData(iupmot_display,
+ RootWindow(iupmot_display,iupmot_screen),
+ sbits, width, height);
+ mask = XCreateBitmapFromData(iupmot_display,
+ RootWindow(iupmot_display,iupmot_screen),
+ mbits, width, height);
+
+ cursor = XCreatePixmapCursor(iupmot_display, source, mask, &fg, &bg, hx, hy);
+
+ free(sbits);
+ return (void*)cursor;
+}
+
+void* iupdrvImageCreateMask(Ihandle *ih)
+{
+ int bpp,y,x,
+ width = ih->currentwidth,
+ height = ih->currentheight,
+ line_size = (width+7)/8,
+ size_bytes = line_size*height;
+ unsigned char *imgdata = (unsigned char*)iupAttribGetStr(ih, "WID");
+ char *bits, *sb;
+ Pixmap mask;
+ unsigned char colors[256];
+
+ bpp = iupAttribGetInt(ih, "BPP");
+ if (bpp > 8)
+ return NULL;
+
+ bits = (char*)malloc(size_bytes);
+ if (!bits) return NULL;
+ memset(bits, 0, size_bytes);
+
+ iupImageInitNonBgColors(ih, colors);
+
+ sb = bits;
+ for (y=0; y<height; y++)
+ {
+ for (x=0; x<width; x++)
+ {
+ int byte = x/8;
+ int bit = x%8;
+ int index = (int)imgdata[y*width+x];
+ if (colors[index])
+ sb[byte] = (char)(sb[byte] | (1<<bit));
+ }
+
+ sb += line_size;
+ }
+
+ mask = XCreateBitmapFromData(iupmot_display,
+ RootWindow(iupmot_display,iupmot_screen),
+ bits, width, height);
+
+ free(bits);
+ return (void*)mask;
+}
+
+void* iupdrvImageLoad(const char* name, int type)
+{
+ if (type == IUPIMAGE_CURSOR)
+ {
+ Cursor cursor = 0;
+ int id;
+ if (iupStrToInt(name, &id))
+ cursor = XCreateFontCursor(iupmot_display, id);
+ return (void*)cursor;
+ }
+ else /* IUPIMAGE_IMAGE or IUPIMAGE_ICON */
+ {
+ Screen* screen = ScreenOfDisplay(iupmot_display, iupmot_screen);
+ Pixmap pixmap = XmGetPixmap(screen, (char*)name, BlackPixelOfScreen(screen), WhitePixelOfScreen(screen));
+ if (pixmap == XmUNSPECIFIED_PIXMAP)
+ {
+ unsigned int width, height;
+ int hotx, hoty;
+ pixmap = 0;
+ XReadBitmapFile(iupmot_display, RootWindow(iupmot_display,iupmot_screen), name, &width, &height, &pixmap, &hotx, &hoty);
+ }
+ return (void*)pixmap;
+ }
+}
+
+int iupdrvImageGetInfo(void* handle, int *w, int *h, int *bpp)
+{
+ Pixmap pixmap = (Pixmap)handle;
+ Window root;
+ int x, y;
+ unsigned int width, height, b, depth;
+ if (!XGetGeometry(iupmot_display, pixmap, &root, &x, &y, &width, &height, &b, &depth))
+ {
+ if (w) *w = 0;
+ if (h) *h = 0;
+ if (bpp) *bpp = 0;
+ return 0;
+ }
+ if (w) *w = width;
+ if (h) *h = height;
+ if (bpp) *bpp = iupImageNormBpp(depth);
+ return 1;
+}
+
+int iupdrvImageGetRawInfo(void* handle, int *w, int *h, int *bpp, iupColor* colors, int *colors_count)
+{
+ /* How to get the pallete? */
+ (void)colors;
+ (void)colors_count;
+ return iupdrvImageGetInfo(handle, w, h, bpp);
+}
+
+void iupdrvImageDestroy(void* handle, int type)
+{
+ if (type == IUPIMAGE_CURSOR)
+ XFreeCursor(iupmot_display, (Cursor)handle);
+ else
+ {
+ Screen* screen = ScreenOfDisplay(iupmot_display, iupmot_screen);
+ if (!XmDestroyPixmap(screen, (Pixmap)handle))
+ XFreePixmap(iupmot_display, (Pixmap)handle);
+ }
+}
+