Attachment 127630 Details for Bug 98508 – self-contained testcase

self-contained testcase

gradtest2.c (text/plain), 2.58 KB, created by Clemens Eisserer on 2016-10-30 19:41:26 UTC

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Creator: Clemens Eisserer

Created: 2016-10-30 19:41:26 UTC

Size: 2.58 KB

patch

obsolete

>#include <stdio.h>
>#include <X11/Xlib.h>
>#include <X11/extensions/Xrender.h>
>#include <stdlib.h>
>#include <math.h>
>#include <stdlib.h>
>#include <sys/time.h>
>
>Display *display;
>int screen;
>Window root, window;
>XEvent event;
>
>Pixmap maskPixmap;
>Picture sourcePicture;
>
>
>Picture createPicture()
>{
>    XLinearGradient linearGradient;
>    XFixed             stops[2];
>    XRenderColor       colors[2];
>
>    linearGradient.p1.x = 29053656;
>    linearGradient.p1.y = 15875466;
>    linearGradient.p2.x = 1336988;
>    linearGradient.p2.y = 3230600;
>    
>    stops[0] = 0;
>    stops[1] = 65536;
>    
>    colors[0].red = 0xffff;
>    colors[0].green = 255;
>    colors[0].blue = 255;
>    colors[0].alpha = 0xffff;
>    
>    colors[1].red = 255;
>    colors[1].green = 27647;
>    colors[1].blue = 0xffff;
>    colors[1].alpha = 0xffff;
>    
>    Picture picture =  XRenderCreateLinearGradient (display, &linearGradient, stops, colors, 2);
>    
>    XRenderPictureAttributes pict_attr;
>    pict_attr.repeat=RepeatReflect;
>    XRenderChangePicture (display,
>                  picture,
>                  CPRepeat,
>                    &pict_attr);
>    
>    return picture;
>}
>
>int main(int argc, char *argv[])
>{
>        /*Bosing initialization stuff*/
>    display=XOpenDisplay(NULL);
>    
>    int render_event_base, render_error_base;
>    int render_present=XRenderQueryExtension(display, &render_event_base, &render_error_base);
>    if (!render_present) {
>        fprintf(stderr, "RENDER extension missing!\n");
>        abort();
>    }
>    
>    XRenderPictFormat *fmt=XRenderFindStandardFormat(display, PictStandardRGB24);
>    screen=DefaultScreen(display);
>    root=DefaultRootWindow(display);
>    
>    window = XCreateWindow(display, root, 0, 0, 640, 480, 0,
>        DefaultDepth(display, screen), InputOutput,
>        DefaultVisual(display, screen), 
>        0, NULL);
>    XRenderPictureAttributes pict_attr;
>    
>    pict_attr.poly_edge=PolyEdgeSmooth;
>    pict_attr.poly_mode=PolyModeImprecise;
>    Picture picture=XRenderCreatePicture(display, window, fmt, CPPolyEdge|CPPolyMode, &pict_attr);
>    
>    XSelectInput(display, window, KeyPressMask|KeyReleaseMask|ExposureMask
>        |ButtonPressMask|StructureNotifyMask);
>    
>    XMapWindow(display, window);
>    
>    sourcePicture = createPicture();
>
>    while(1) {
>        XNextEvent(display, &event);
>        
>        switch(event.type) {
>            case Expose:
>                XRenderComposite (display, PictOpOver, sourcePicture, None, picture, 0, 0, 0, 0, 0, 0, 1000, 1000); 
>                break;
>                
>            case DestroyNotify:
>                return 0;
>        }
>    }
>    return 0;
>}

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Attachments on bug 98508: 127630 | 136920 | 136921 | 137102

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