X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fdevices%2Fopengl.c;h=a9459a147ac035ce54aad16ef8bcc39c5e77e524;hb=7cd054491ed32224ed0939db4387e7a8f4d600d6;hp=955b60e7405d7514ed1e0e7316f609df86695724;hpb=f2700eaeee748112d775205f5933ecfc5f571941;p=swftools.git diff --git a/lib/devices/opengl.c b/lib/devices/opengl.c index 955b60e..a9459a1 100644 --- a/lib/devices/opengl.c +++ b/lib/devices/opengl.c @@ -29,8 +29,7 @@ typedef struct _internal { GLUtesselator *tesselator_tex; } internal_t; -int verbose = 1; - +static int verbose = 1; static void dbg(char*format, ...) { char buf[1024]; @@ -76,6 +75,15 @@ void CALLBACK vertexCallback(GLvoid *vertex) double*xyz = (GLdouble*)vertex; glVertex3d(xyz[0],xyz[1],xyz[2]); } +void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4], GLfloat w[4], GLdouble **out) +{ + GLdouble *vertex; + vertex = (GLdouble *) malloc(6 * sizeof(GLdouble)); + vertex[0] = coords[0]; + vertex[1] = coords[1]; + vertex[2] = coords[2]; + *out = vertex; +} void CALLBACK vertexCallbackTex(GLvoid *vertex) { double*v = (GLdouble*)vertex; @@ -122,6 +130,7 @@ void opengl_endclip(struct _gfxdevice*dev) void opengl_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit) { + dbg("stroke"); internal_t*i = (internal_t*)dev->internal; char running = 0; gfxline_t*l=0; @@ -153,10 +162,12 @@ void opengl_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfxc void opengl_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color) { + dbg("fill"); internal_t*i = (internal_t*)dev->internal; char running = 0; int len = 0; double*xyz=0; + double lastx=0,lasty=0; gfxline_t*l=0; dbg("fill"); glColor4f(color->r/255.0, color->g/255.0, color->b/255.0, color->a/255.0); @@ -165,9 +176,18 @@ void opengl_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color) l = line; len = 0; while(l) { - len++; + if(l->type == gfx_splineTo) { + double c = sqrt(abs(l->x-2*l->sx+lastx) + abs(l->y-2*l->sy+lasty))/2; + int steps = (int)c; + if(steps<1) steps = 1; + len += steps; + } else { + len++; + } l = l->next; } + //printf("full len:%d\n", len); + double z = (i->currentz*ZSTEP); xyz = malloc(sizeof(double)*3*len); l = line; len = 0; @@ -183,11 +203,33 @@ void opengl_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color) gluTessBeginContour(i->tesselator); } - xyz[len*3+0] = l->x; - xyz[len*3+1] = l->y; - xyz[len*3+2] = (i->currentz*ZSTEP); - gluTessVertex(i->tesselator, &xyz[len*3], &xyz[len*3]); - len++; + if(l->type == gfx_splineTo) { + int j; + double c = sqrt(abs(l->x-2*l->sx+lastx) + abs(l->y-2*l->sy+lasty))/2; + int steps = (int)c; + if(steps<1) steps = 1; + //printf("c=%f d1=%f (%f/%f) d2=%f (%f/%f)\n", c,d1,l->x-l->sx,l->y-l->sy,d2,lastx-l->sx,lasty-l->sy); + //printf("%f %f %f\n", lastx, l->sx, l->x); + //printf("%f %f %f\n", lasty, l->sy, l->y); + for(j=1;j<=steps;j++) { + //printf("%d\n", j); + double t = (double)j / (double)steps; + xyz[len*3+0] = lastx*(1-t)*(1-t) + 2*l->sx*(1-t)*t + l->x*t*t; + xyz[len*3+1] = lasty*(1-t)*(1-t) + 2*l->sy*(1-t)*t + l->y*t*t; + xyz[len*3+2] = z; + gluTessVertex(i->tesselator, &xyz[len*3], &xyz[len*3]); + len++; + } + //printf("%d\n", len); + } else { + xyz[len*3+0] = l->x; + xyz[len*3+1] = l->y; + xyz[len*3+2] = z; + gluTessVertex(i->tesselator, &xyz[len*3], &xyz[len*3]); + len++; + } + lastx = l->x; + lasty = l->y; l=l->next; } @@ -202,6 +244,7 @@ void opengl_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color) void opengl_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform) { + dbg("fillbitmap"); internal_t*i = (internal_t*)dev->internal; char running = 0; int len = 0; @@ -252,6 +295,7 @@ void opengl_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gf glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + gluTessBeginPolygon(i->tesselator_tex, NULL); l = line; len = 0; @@ -286,6 +330,7 @@ void opengl_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gf l=l->next; } + if(running) { running = 0; gluTessEndContour(i->tesselator_tex); @@ -425,6 +470,7 @@ void gfxdevice_opengl_init(gfxdevice_t*dev) gluTessCallback(i->tesselator, GLU_TESS_VERTEX, (callbackfunction_t)vertexCallback); gluTessCallback(i->tesselator, GLU_TESS_BEGIN, (callbackfunction_t)beginCallback); gluTessCallback(i->tesselator, GLU_TESS_END, (callbackfunction_t)endCallback); + //gluTessCallback(i->tesselator, GLU_TESS_END, (callbackfunction_t)combineCallback); i->tesselator_tex = gluNewTess(); gluTessCallback(i->tesselator_tex, GLU_TESS_ERROR, (callbackfunction_t)errorCallback);