/********************************************************************** * display_blob * * Macro to display blob in a window. **********************************************************************/ void display_blob(TBLOB *blob, C_COL color) { /* Size of drawable */ if (blob_window == NULL) { blob_window = c_create_window ("Blobs", 520, 10, 500, 256, -1000.0, 1000.0, 0.0, 256.0); } else { c_clear_window(blob_window); } render_blob(blob_window, blob, color); }
int main (int argc, char* argv[]) { int cable_type, quit = 0; float rot1 = 0.0, rot2 = 0.0, rot3 = 0.0; kos_img_t front_txr, back_txr, tmp_img; pvr_ptr_t texaddr; GLuint texture[8]; int blendfunc = 2; float eye_rot = 0; cable_type = vid_check_cable (); if (cable_type == CT_VGA) vid_init (DM_640x480_VGA, PM_RGB565); else vid_init (DM_640x480_PAL_IL, PM_RGB565); init_pvr (); glKosInit (); sphere = mkspheredata (3, &nstrip, &stripl); glGenTextures (8, &texture[0]); #if 1 kmg_to_img ("/rd/sky1.kmg", &front_txr); texaddr = pvr_mem_malloc (front_txr.byte_count); pvr_txr_load_kimg (&front_txr, texaddr, PVR_TXRFMT_VQ_ENABLE); kos_img_free (&front_txr, 0); glBindTexture (GL_TEXTURE_2D, texture[0]); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, front_txr.w, front_txr.h, texaddr); kmg_to_img ("/rd/sky2o.kmg", &back_txr); texaddr = pvr_mem_malloc (back_txr.byte_count); pvr_txr_load_kimg (&back_txr, texaddr, PVR_TXRFMT_VQ_ENABLE); kos_img_free (&back_txr, 0); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); glBindTexture (GL_TEXTURE_2D, texture[1]); glKosTex2D (GL_ARGB4444_TWID | GL_VQ_ENABLE, back_txr.w, back_txr.h, texaddr); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); glBindTexture (GL_TEXTURE_2D, texture[2]); kmg_to_img ("/rd/sky3.kmg", &tmp_img); texaddr = pvr_mem_malloc (tmp_img.byte_count); pvr_txr_load_kimg (&tmp_img, texaddr, PVR_TXRFMT_VQ_ENABLE); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, tmp_img.w, tmp_img.h, texaddr); glBindTexture (GL_TEXTURE_2D, texture[3]); kmg_to_img ("/rd/sky4.kmg", &tmp_img); texaddr = pvr_mem_malloc (tmp_img.byte_count); pvr_txr_load_kimg (&tmp_img, texaddr, PVR_TXRFMT_VQ_ENABLE); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, tmp_img.w, tmp_img.h, texaddr); glBindTexture (GL_TEXTURE_2D, texture[4]); kmg_to_img ("/rd/sky5.kmg", &tmp_img); texaddr = pvr_mem_malloc (tmp_img.byte_count); pvr_txr_load_kimg (&tmp_img, texaddr, PVR_TXRFMT_VQ_ENABLE); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, tmp_img.w, tmp_img.h, texaddr); glBindTexture (GL_TEXTURE_2D, texture[5]); kmg_to_img ("/rd/sky6.kmg", &tmp_img); texaddr = pvr_mem_malloc (tmp_img.byte_count); pvr_txr_load_kimg (&tmp_img, texaddr, PVR_TXRFMT_VQ_ENABLE); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, tmp_img.w, tmp_img.h, texaddr); glBindTexture (GL_TEXTURE_2D, texture[6]); kmg_to_img ("/rd/sky7.kmg", &tmp_img); texaddr = pvr_mem_malloc (tmp_img.byte_count); pvr_txr_load_kimg (&tmp_img, texaddr, PVR_TXRFMT_VQ_ENABLE); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, tmp_img.w, tmp_img.h, texaddr); glBindTexture (GL_TEXTURE_2D, texture[7]); kmg_to_img ("/rd/sky8.kmg", &tmp_img); texaddr = pvr_mem_malloc (tmp_img.byte_count); pvr_txr_load_kimg (&tmp_img, texaddr, PVR_TXRFMT_VQ_ENABLE); glKosTex2D (GL_RGB565_TWID | GL_VQ_ENABLE, tmp_img.w, tmp_img.h, texaddr); #else png_to_img ("/rd/sky1.png", PNG_MASK_ALPHA, &front_txr); texaddr = pvr_mem_malloc (front_txr.w * front_txr.h * 2); pvr_txr_load_kimg (&front_txr, texaddr, PVR_TXRLOAD_INVERT_Y); kos_img_free (&front_txr, 0); glBindTexture (GL_TEXTURE_2D, texture[0]); glKosTex2D (GL_ARGB1555_TWID, front_txr.w, front_txr.h, texaddr); png_to_img ("/rd/sky2o.png", PNG_MASK_ALPHA, &back_txr); texaddr = pvr_mem_malloc (back_txr.w * back_txr.h * 2); pvr_txr_load_kimg (&back_txr, texaddr, PVR_TXRLOAD_INVERT_Y); kos_img_free (&back_txr, 0); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); glBindTexture (GL_TEXTURE_2D, texture[1]); glKosTex2D (GL_ARGB1555_TWID, back_txr.w, back_txr.h, texaddr); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); glBindTexture (GL_TEXTURE_2D, texture[2]); texaddr = pvr_mem_malloc (TEXSIZE * TEXSIZE * 2); png_to_texture ("/rd/sky3.png", texaddr, PNG_NO_ALPHA); glKosTex2D (GL_RGB565_TWID, TEXSIZE, TEXSIZE, texaddr); glBindTexture (GL_TEXTURE_2D, texture[3]); texaddr = pvr_mem_malloc (TEXSIZE * TEXSIZE * 2); png_to_texture ("/rd/sky4.png", texaddr, PNG_NO_ALPHA); glKosTex2D (GL_RGB565_TWID, TEXSIZE, TEXSIZE, texaddr); glBindTexture (GL_TEXTURE_2D, texture[4]); texaddr = pvr_mem_malloc (TEXSIZE * TEXSIZE * 2); png_to_texture ("/rd/sky5.png", texaddr, PNG_NO_ALPHA); glKosTex2D (GL_RGB565_TWID, TEXSIZE, TEXSIZE, texaddr); glBindTexture (GL_TEXTURE_2D, texture[5]); texaddr = pvr_mem_malloc (TEXSIZE * TEXSIZE * 2); png_to_texture ("/rd/sky6.png", texaddr, PNG_NO_ALPHA); glKosTex2D (GL_RGB565_TWID, TEXSIZE, TEXSIZE, texaddr); glBindTexture (GL_TEXTURE_2D, texture[6]); texaddr = pvr_mem_malloc (TEXSIZE * TEXSIZE * 2); png_to_texture ("/rd/sky7.png", texaddr, PNG_NO_ALPHA); glKosTex2D (GL_RGB565_TWID, TEXSIZE, TEXSIZE, texaddr); glBindTexture (GL_TEXTURE_2D, texture[7]); texaddr = pvr_mem_malloc (TEXSIZE * TEXSIZE * 2); png_to_texture ("/rd/sky8.png", texaddr, PNG_NO_ALPHA); glKosTex2D (GL_RGB565_TWID, TEXSIZE, TEXSIZE, texaddr); #endif glEnable (GL_DEPTH_TEST); glEnable (GL_CULL_FACE); glEnable (GL_TEXTURE_2D); glShadeModel (GL_SMOOTH); glClearDepth (1.0f); glDepthFunc (GL_LEQUAL); glMatrixMode (GL_PROJECTION); glLoadIdentity (); gluPerspective (60.0, /* Field of view in degrees. */ 640.0 / 480.0, /* Aspect ratio. */ 1.0, /* Z near. */ 50.0); /* Z far. */ glMatrixMode (GL_MODELVIEW); while (!quit) { MAPLE_FOREACH_BEGIN (MAPLE_FUNC_CONTROLLER, cont_state_t, st) { if (st->buttons & CONT_START) quit = 1; eye_pos[0] = st->joyx / 25.0; eye_pos[1] = st->joyy / 25.0; eye_pos[2] = 5 * sin (eye_rot); if (st->buttons & CONT_A) blendfunc = 0; else if (st->buttons & CONT_B) blendfunc = 1; else if (st->buttons & CONT_X) blendfunc = 2; } MAPLE_FOREACH_END () draw_vectors = 10; glLoadIdentity (); gluLookAt (eye_pos[0], eye_pos[1], eye_pos[2], /* Eye position. */ 0.0, 0.0, 0.0, /* Centre. */ 0.0, 1.0, 0.0); /* Up. */ glGetFloatv (GL_MODELVIEW_MATRIX, &camera[0][0]); invcamera[0][0] = camera[0][0]; invcamera[0][1] = camera[1][0]; invcamera[0][2] = camera[2][0]; invcamera[0][3] = 0.0; invcamera[1][0] = camera[0][1]; invcamera[1][1] = camera[1][1]; invcamera[1][2] = camera[2][1]; invcamera[1][3] = 0.0; invcamera[2][0] = camera[0][2]; invcamera[2][1] = camera[1][2]; invcamera[2][2] = camera[2][2]; invcamera[2][3] = 0.0; invcamera[3][0] = 0.0; invcamera[3][1] = 0.0; invcamera[3][2] = 0.0; invcamera[3][3] = 1.0; /*dbgio_printf ("inverted camera orthogonality: %f %f %f\n", (double) vec_dot (invcamera[0], invcamera[1]), (double) vec_dot (invcamera[1], invcamera[2]), (double) vec_dot (invcamera[2], invcamera[0]));*/ /*dbgio_printf ("Inverted camera matrix:\n"); for (i = 0; i < 4; i++) { dbgio_printf ("[ %f %f %f %f ]\n", (double) invcamera[0][i], (double) invcamera[1][i], (double) invcamera[2][i], (double) invcamera[3][i]); }*/ glKosBeginFrame (); /*glPushMatrix (); glTranslatef (-camera[3][0], -camera[3][1], -camera[3][2]);*/ render_cube (&texture[2]); /*glPopMatrix ();*/ glPushMatrix (); #if 1 glRotatef (rot1, 0.0, 1.0, 0.0); rot1 += 0.7; glRotatef (rot2, 1.0, 0.0, 0.0); rot2 += 0.29; #else glRotatef (rot1, 0.0, 0.0, 1.0); rot1 += 0.7; #endif if (rot1 >= 360) rot1 -= 360; if (rot2 >= 360) rot2 -= 360; eye_rot += 0.05; if (eye_rot >= 2 * M_PI) eye_rot -= 2 * M_PI; blob_phase += 0.05; if (blob_phase >= 24 * M_PI) blob_phase -= 24 * M_PI; /* Render front. */ glBindTexture (GL_TEXTURE_2D, texture[0]); glTexEnvi (GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE); #if 1 render_blob (sphere, nstrip, stripl, 1); #else render_torus (1.0, 0.6, 1); #endif glPushMatrix (); glRotatef (rot3, 1.0, 0.0, 0.0); glTranslatef (2.9, 0.0, 0.0); render_torus (0.8, 0.5, 1); glPopMatrix (); glPushMatrix (); glRotatef (-rot3, 1.0, 0.0, 0.0); glTranslatef (-2.9, 0.0, 0.0); render_torus (0.8, 0.5, 1); glPopMatrix (); glKosFinishList (); /* Render back. */ glBindTexture (GL_TEXTURE_2D, texture[1]); glTexEnvi (GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE); if (blendfunc == 0) glBlendFunc (GL_SRC_ALPHA, GL_ZERO); else if (blendfunc == 1) glBlendFunc (GL_ZERO, GL_ONE_MINUS_SRC_ALPHA); else glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); #if 1 //glDisable (GL_TEXTURE_2D); render_blob (sphere, nstrip, stripl, 0); //glEnable (GL_TEXTURE_2D); #else render_torus (1.0, 0.6, 0); #endif glPushMatrix (); glRotatef (rot3, 1.0, 0.0, 0.0); glTranslatef (2.9, 0.0, 0.0); render_torus (0.8, 0.5, 0); glPopMatrix (); glPushMatrix (); glRotatef (-rot3, 1.0, 0.0, 0.0); glTranslatef (-2.9, 0.0, 0.0); render_torus (0.8, 0.5, 0); glPopMatrix (); rot3 += 1; if (rot3 >= 360) rot3 -= 360; glPopMatrix (); glKosFinishFrame (); } glKosShutdown (); pvr_shutdown (); vid_shutdown (); /* Make dc-load look nicer. */ vid_init (DM_640x480_PAL_IL, PM_RGB565); return 0; }
static void gimp_ink_motion (GimpPaintCore *paint_core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords, guint32 time) { GimpInk *ink = GIMP_INK (paint_core); GimpInkOptions *options = GIMP_INK_OPTIONS (paint_options); GimpContext *context = GIMP_CONTEXT (paint_options); GimpBlob *blob_union = NULL; GimpBlob *blob_to_render; GeglBuffer *paint_buffer; gint paint_buffer_x; gint paint_buffer_y; GimpRGB foreground; GeglColor *color; if (! ink->last_blob) { ink->last_blob = ink_pen_ellipse (options, coords->x, coords->y, coords->pressure, coords->xtilt, coords->ytilt, 100); if (ink->start_blob) g_free (ink->start_blob); ink->start_blob = gimp_blob_duplicate (ink->last_blob); blob_to_render = ink->last_blob; } else { GimpBlob *blob = ink_pen_ellipse (options, coords->x, coords->y, coords->pressure, coords->xtilt, coords->ytilt, coords->velocity * 100); blob_union = gimp_blob_convex_union (ink->last_blob, blob); g_free (ink->last_blob); ink->last_blob = blob; blob_to_render = blob_union; } /* Get the buffer */ ink->cur_blob = blob_to_render; paint_buffer = gimp_paint_core_get_paint_buffer (paint_core, drawable, paint_options, coords, &paint_buffer_x, &paint_buffer_y); ink->cur_blob = NULL; if (! paint_buffer) return; gimp_context_get_foreground (context, &foreground); color = gimp_gegl_color_new (&foreground); gegl_buffer_set_color (paint_buffer, NULL, color); g_object_unref (color); /* draw the blob directly to the canvas_buffer */ render_blob (paint_core->canvas_buffer, GEGL_RECTANGLE (paint_core->paint_buffer_x, paint_core->paint_buffer_y, gegl_buffer_get_width (paint_core->paint_buffer), gegl_buffer_get_height (paint_core->paint_buffer)), blob_to_render); /* draw the paint_area using the just rendered canvas_buffer as mask */ gimp_paint_core_paste (paint_core, paint_core->canvas_buffer, GEGL_RECTANGLE (paint_core->paint_buffer_x, paint_core->paint_buffer_y, gegl_buffer_get_width (paint_core->paint_buffer), gegl_buffer_get_height (paint_core->paint_buffer)), drawable, GIMP_OPACITY_OPAQUE, gimp_context_get_opacity (context), gimp_context_get_paint_mode (context), GIMP_PAINT_CONSTANT); if (blob_union) g_free (blob_union); }
static void gimp_ink_motion (GimpPaintCore *paint_core, GimpDrawable *drawable, GimpPaintOptions *paint_options, const GimpCoords *coords, guint32 time) { GimpInk *ink = GIMP_INK (paint_core); GimpInkOptions *options = GIMP_INK_OPTIONS (paint_options); GimpContext *context = GIMP_CONTEXT (paint_options); GimpImage *image; GimpBlob *blob_union = NULL; GimpBlob *blob_to_render; TempBuf *area; guchar col[MAX_CHANNELS]; PixelRegion blob_maskPR; image = gimp_item_get_image (GIMP_ITEM (drawable)); if (! ink->last_blob) { ink->last_blob = ink_pen_ellipse (options, coords->x, coords->y, coords->pressure, coords->xtilt, coords->ytilt, 100); if (ink->start_blob) g_free (ink->start_blob); ink->start_blob = gimp_blob_duplicate (ink->last_blob); blob_to_render = ink->last_blob; } else { GimpBlob *blob = ink_pen_ellipse (options, coords->x, coords->y, coords->pressure, coords->xtilt, coords->ytilt, coords->velocity * 100); blob_union = gimp_blob_convex_union (ink->last_blob, blob); g_free (ink->last_blob); ink->last_blob = blob; blob_to_render = blob_union; } /* Get the buffer */ ink->cur_blob = blob_to_render; area = gimp_paint_core_get_paint_area (paint_core, drawable, paint_options, coords); ink->cur_blob = NULL; if (! area) return; gimp_image_get_foreground (image, context, gimp_drawable_type (drawable), col); /* set the alpha channel */ col[paint_core->canvas_buf->bytes - 1] = OPAQUE_OPACITY; /* color the pixels */ color_pixels (temp_buf_get_data (paint_core->canvas_buf), col, area->width * area->height, area->bytes); gimp_paint_core_validate_canvas_tiles (paint_core, paint_core->canvas_buf->x, paint_core->canvas_buf->y, paint_core->canvas_buf->width, paint_core->canvas_buf->height); /* draw the blob directly to the canvas_tiles */ pixel_region_init (&blob_maskPR, paint_core->canvas_tiles, paint_core->canvas_buf->x, paint_core->canvas_buf->y, paint_core->canvas_buf->width, paint_core->canvas_buf->height, TRUE); render_blob (blob_to_render, &blob_maskPR); /* draw the canvas_buf using the just rendered canvas_tiles as mask */ pixel_region_init (&blob_maskPR, paint_core->canvas_tiles, paint_core->canvas_buf->x, paint_core->canvas_buf->y, paint_core->canvas_buf->width, paint_core->canvas_buf->height, FALSE); gimp_paint_core_paste (paint_core, &blob_maskPR, drawable, GIMP_OPACITY_OPAQUE, gimp_context_get_opacity (context), gimp_context_get_paint_mode (context), GIMP_PAINT_CONSTANT); if (blob_union) g_free (blob_union); }