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another random rejig commit

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This commit is contained in:
Matthew Allum 2005-04-13 17:39:40 +00:00
parent 214935cba7
commit d95ce956ee
3 changed files with 157 additions and 39 deletions
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39
Makefile
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@ -1,39 +0,0 @@
LIBS=-lpng -lGL -ljpeg -L/usr/X11R6/lib -lX11 `pkg-config --libs pangoft2 pango glib-2.0 gthread-2.0`
CFLAGS=`pkg-config --cflags pangoft2 pango glib-2.0 gthread-2.0`
.c.o:
$(CC) -g -Wall $(CFLAGS) $(INCS) -c $*.c
OBJS=cltr.o pixbuf.o util.o fonts.o \
cltr-core.o \
cltr-glu.o \
cltr-texture.o \
cltr-widget.o \
cltr-events.o \
cltr-window.o \
cltr-photo-grid.o \
cltr-list.o \
cltr-scratch.o
# cltr-photo-grid.o
clutter: $(OBJS)
$(CC) -g -Wall -o $@ $(OBJS) $(LIBS)
$(OBJS): pixbuf.h util.h fonts.h \
cltr.h \
cltr-private.h \
cltr-glu.h \
cltr-events.h \
cltr-texture.h \
cltr-widget.h \
cltr-window.h \
cltr-photo-grid.h \
cltr-list.h \
cltr-scratch.h
#cltr-photo-grid.h
clean:
rm -fr *.o clutter test

143
clutter/cltr-scratch.c Normal file
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#include "cltr-scratch.h"
#include "cltr-private.h"
struct CltrScratch
{
CltrWidget widget;
Pixbuf *pixb;
CltrTexture *tex;
};
static void
cltr_scratch_show(CltrWidget *widget);
static gboolean
cltr_scratch_handle_xevent (CltrWidget *widget, XEvent *xev);
static void
cltr_scratch_paint(CltrWidget *widget);
CltrWidget*
cltr_scratch_new(int width, int height)
{
CltrScratch *scratch;
ClutterFont *font;
PixbufPixel pixel = { 255, 255, 255, 100 };
scratch = g_malloc0(sizeof(CltrScratch));
scratch->widget.width = width;
scratch->widget.height = height;
scratch->widget.show = cltr_scratch_show;
scratch->widget.paint = cltr_scratch_paint;
scratch->widget.xevent_handler = cltr_scratch_handle_xevent;
scratch->pixb = pixbuf_new(width, height);
pixel_set_vals(&pixel, 0, 0, 0, 255);
pixbuf_fill_rect(scratch->pixb, 0, 0, width, height, &pixel);
font = font_new ("Sans Bold 72");
pixel_set_vals(&pixel, 255, 255, 255, 255);
font_draw(font, scratch->pixb, "Hello", 0, 0, &pixel);
scratch->tex = cltr_texture_new(scratch->pixb);
return CLTR_WIDGET(scratch);
}
static void
cltr_scratch_show(CltrWidget *widget)
{
cltr_widget_queue_paint(widget);
}
static gboolean
cltr_scratch_handle_xevent (CltrWidget *widget, XEvent *xev)
{
return TRUE;
}
static void
cltr_scratch_paint(CltrWidget *widget)
{
CltrScratch *scratch = CLTR_SCRATCH(widget);
int times = 100, num = 0;
int spost = 0;
float alphainc = 0.9f / times;
float alpha = 0.1f;
glPushMatrix();
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glBlendFunc(GL_SRC_ALPHA,GL_ONE);
glEnable(GL_BLEND);
/*
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
*/
for (num = 0;num < times;num++)
{
glColor4f(1.0f, 1.0f, 1.0f, alpha);
cltr_texture_render_to_gl_quad(scratch->tex,
widget->x - spost,
widget->y - spost,
widget->x + widget->width + spost,
widget->y + widget->height + spost);
spost += 2;
alpha = alpha - alphainc;
}
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
cltr_texture_render_to_gl_quad(scratch->tex,
widget->x,
widget->y,
widget->x + widget->width ,
widget->y + widget->height);
glDisable(GL_BLEND);
glPopMatrix();
}
static void
cltr_scratch_paint_old(CltrWidget *widget)
{
glPushMatrix();
CLTR_MARK();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4ub(100, 200, 50, 100);
glRecti(widget->x, widget->y,
widget->x + widget->width,
widget->y + widget->height);
glDisable(GL_BLEND);
glPopMatrix();
}

14
clutter/cltr-scratch.h Normal file
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#ifndef _HAVE_CLTR_SCRATCH_H
#define _HAVE_CLTR_SCRATCH_H
#include "cltr.h"
typedef struct CltrScratch CltrScratch;
#define CLTR_SCRATCH(w) ((CltrScratch*)(w))
CltrWidget*
cltr_scratch_new(int width, int height);
#endif