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revert 335 and 336, breaking the win32 build

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git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@337 8a3a26a2-13c4-0310-b231-cf6edde360e5
This commit is contained in:
TTimo 2010-11-26 05:58:34 +00:00
parent 1c8129e946
commit 449fdbd6b7
6 changed files with 45 additions and 212 deletions
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2
radiant/camwindow.cpp
View file

@ -62,6 +62,8 @@ void CamWnd::OnCreate ()
if (!MakeCurrent ())
Error ("glMakeCurrent failed");
gtk_glwidget_create_font (m_pWidget);
// report OpenGL information
Sys_Printf ("GL_VENDOR: %s\n", qglGetString (GL_VENDOR));
Sys_Printf ("GL_RENDERER: %s\n", qglGetString (GL_RENDERER));

186
radiant/glwidget.cpp
View file

@ -33,7 +33,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "stdafx.h"
#include <gtk/gtkgl.h>
#include <pango/pangoft2.h>
#include "glwidget.h"
#include "qgl.h"
@ -207,187 +206,46 @@ gboolean WINAPI gtk_glwidget_make_current (GtkWidget *widget)
return gdk_gl_drawable_gl_begin (gldrawable, glcontext);
}
GLuint font_list_base;
static gchar font_string[] = "courier 8";
static gint font_height;
// Think about rewriting this font stuff to use OpenGL display lists and glBitmap().
// Bit maps together with display lists may offer a performance increase, but
// they would not allow antialiased fonts.
static const char font_string[] = "Monospace";
static const int font_height = 10;
static int font_ascent = -1;
static int font_descent = -1;
static int y_offset_bitmap_render_pango_units = -1;
static PangoContext *ft2_context = NULL;
static int _debug_font_created = 0;
// Units are pixels. Returns a positive value [most likely].
int gtk_glwidget_font_ascent()
{
if (!_debug_font_created) {
Error("Programming error: gtk_glwidget_font_ascent() called but font does not exist; "
"you should have called gtk_glwidget_create_font() first");
}
return font_ascent;
}
// Units are pixels. Returns a positive value [most likely].
int gtk_glwidget_font_descent()
{
if (!_debug_font_created) {
Error("Programming error: gtk_glwidget_font_descent() called but font does not exist; "
"you should have called gtk_glwidget_create_font() first");
}
return font_descent;
}
void gtk_glwidget_create_font()
void gtk_glwidget_create_font (GtkWidget *widget)
{
PangoFontDescription *font_desc;
PangoLayout *layout;
PangoRectangle log_rect;
int font_ascent_pango_units;
int font_descent_pango_units;
PangoFont *font;
PangoFontMetrics *font_metrics;
if (_debug_font_created) {
Error("Programming error: gtk_glwidget_create_font() was already called; "
"you must call gtk_glwidget_destroy_font() before creating font again");
}
_debug_font_created = 1;
font_list_base = qglGenLists (256);
// This call is deprecated so we'll have to fix it sometime.
ft2_context = pango_ft2_get_context(72, 72);
font_desc = pango_font_description_from_string (font_string);
font_desc = pango_font_description_from_string(font_string);
pango_font_description_set_size(font_desc, font_height * PANGO_SCALE);
pango_context_set_font_description(ft2_context, font_desc);
pango_font_description_free(font_desc);
font = gdk_gl_font_use_pango_font (font_desc, 0, 256, font_list_base);
layout = pango_layout_new(ft2_context);
#if !PANGO_VERSION_CHECK(1,22,0)
PangoLayoutIter *iter;
iter = pango_layout_get_iter(layout);
font_ascent_pango_units = pango_layout_iter_get_baseline(iter);
pango_layout_iter_free(iter);
#else
font_ascent_pango_units = pango_layout_get_baseline(layout);
#endif
pango_layout_get_extents(layout, NULL, &log_rect);
g_object_unref(G_OBJECT(layout));
font_descent_pango_units = log_rect.height - font_ascent_pango_units;
if(font != NULL)
{
font_metrics = pango_font_get_metrics (font, NULL);
font_ascent = PANGO_PIXELS_CEIL(font_ascent_pango_units);
font_descent = PANGO_PIXELS_CEIL(font_descent_pango_units);
y_offset_bitmap_render_pango_units = (font_ascent * PANGO_SCALE) - font_ascent_pango_units;
}
font_height = pango_font_metrics_get_ascent (font_metrics) +
pango_font_metrics_get_descent (font_metrics);
font_height = PANGO_PIXELS (font_height);
void gtk_glwidget_destroy_font()
{
if (!_debug_font_created) {
Error("Programming error: gtk_glwidget_destroy_font() called when font "
"does not exist");
pango_font_metrics_unref (font_metrics);
}
font_ascent = -1;
font_descent = -1;
y_offset_bitmap_render_pango_units = -1;
g_object_unref(G_OBJECT(ft2_context));
_debug_font_created = 0;
pango_font_description_free (font_desc);
}
// Renders the input text at the current location with the current color.
// The X position of the current location is used to place the left edge of the text image,
// where the text image bounds are defined as the logical extents of the line of text.
// The Y position of the current location is used to place the bottom of the text image.
// You should offset the Y position by the amount returned by gtk_glwidget_font_descent()
// if you want to place the baseline of the text image at the current Y position.
// Note: A problem with this function is that if the lower left corner of the text falls
// just a hair outside of the viewport (meaning the current raster position is invalid),
// then no text will be rendered. The solution to this is a very hacky one. You can search
// Google for "glDrawPixels clipping".
void gtk_glwidget_print_string(const char *s)
{
// The idea for this code initially came from the font-pangoft2.c example that comes with GtkGLExt.
PangoLayout *layout;
PangoRectangle log_rect;
FT_Bitmap bitmap;
unsigned char *begin_bitmap_buffer;
GLfloat color[4];
GLint previous_unpack_alignment;
GLboolean previous_blend_enabled;
GLint previous_blend_func_src;
GLint previous_blend_func_dst;
GLfloat previous_red_bias;
GLfloat previous_green_bias;
GLfloat previous_blue_bias;
GLfloat previous_alpha_scale;
if (!_debug_font_created) {
Error("Programming error: gtk_glwidget_print_string() called but font does not exist; "
"you should have called gtk_glwidget_create_font() first");
}
layout = pango_layout_new(ft2_context);
pango_layout_set_width(layout, -1); // -1 no wrapping. All text on one line.
pango_layout_set_text(layout, s, -1); // -1 null-terminated string.
pango_layout_get_extents(layout, NULL, &log_rect);
if (log_rect.width > 0 && log_rect.height > 0) {
bitmap.rows = font_ascent + font_descent;
bitmap.width = PANGO_PIXELS_CEIL(log_rect.width);
bitmap.pitch = -bitmap.width; // Rendering it "upside down" for OpenGL.
begin_bitmap_buffer = (unsigned char *) g_malloc(bitmap.rows * bitmap.width);
memset(begin_bitmap_buffer, 0, bitmap.rows * bitmap.width);
bitmap.buffer = begin_bitmap_buffer + (bitmap.rows - 1) * bitmap.width; // See pitch above.
bitmap.num_grays = 0xff;
bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
pango_ft2_render_layout_subpixel(&bitmap, layout, -log_rect.x,
y_offset_bitmap_render_pango_units);
qglGetFloatv(GL_CURRENT_COLOR, color);
// Save state. I didn't see any OpenGL push/pop operations for these.
// Question: Is saving/restoring this state necessary? Being safe.
qglGetIntegerv(GL_UNPACK_ALIGNMENT, &previous_unpack_alignment);
previous_blend_enabled = qglIsEnabled(GL_BLEND);
qglGetIntegerv(GL_BLEND_SRC, &previous_blend_func_src);
qglGetIntegerv(GL_BLEND_DST, &previous_blend_func_dst);
qglGetFloatv(GL_RED_BIAS, &previous_red_bias);
qglGetFloatv(GL_GREEN_BIAS, &previous_green_bias);
qglGetFloatv(GL_BLUE_BIAS, &previous_blue_bias);
qglGetFloatv(GL_ALPHA_SCALE, &previous_alpha_scale);
qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);
qglEnable(GL_BLEND);
qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
qglPixelTransferf(GL_RED_BIAS, color[0]);
qglPixelTransferf(GL_GREEN_BIAS, color[1]);
qglPixelTransferf(GL_BLUE_BIAS, color[2]);
qglPixelTransferf(GL_ALPHA_SCALE, color[3]);
qglDrawPixels(bitmap.width, bitmap.rows,
GL_ALPHA, GL_UNSIGNED_BYTE, begin_bitmap_buffer);
g_free(begin_bitmap_buffer);
// Restore state in reverse order of how we set it.
qglPixelTransferf(GL_ALPHA_SCALE, previous_alpha_scale);
qglPixelTransferf(GL_BLUE_BIAS, previous_blue_bias);
qglPixelTransferf(GL_GREEN_BIAS, previous_green_bias);
qglPixelTransferf(GL_RED_BIAS, previous_red_bias);
qglBlendFunc(previous_blend_func_src, previous_blend_func_dst);
if (!previous_blend_enabled) { qglDisable(GL_BLEND); }
qglPixelStorei(GL_UNPACK_ALIGNMENT, previous_unpack_alignment);
}
g_object_unref(G_OBJECT(layout));
qglListBase(font_list_base);
qglCallLists(strlen(s), GL_UNSIGNED_BYTE, (unsigned char *)s);
}
void gtk_glwidget_print_char(char s)
{
char str[2];
str[0] = s;
str[1] = '\0';
gtk_glwidget_print_string(str);
qglListBase(font_list_base);
qglCallLists(1, GL_UNSIGNED_BYTE, (unsigned char *) &s);
}

7
radiant/glwidget.h
View file

@ -36,11 +36,10 @@ void WINAPI gtk_glwidget_swap_buffers (GtkWidget *widget);
gboolean WINAPI gtk_glwidget_make_current (GtkWidget *widget);
void WINAPI gtk_glwidget_destroy_context (GtkWidget *widget);
void WINAPI gtk_glwidget_create_context (GtkWidget *widget);
void gtk_glwidget_create_font();
int gtk_glwidget_font_ascent();
int gtk_glwidget_font_descent();
void gtk_glwidget_create_font (GtkWidget *widget);
void gtk_glwidget_print_string(const char *s);
void gtk_glwidget_print_char(char s);
void gtk_glwidget_destroy_font();
#endif /* _GLWIDGET_H_ */

7
radiant/main.cpp
View file

@ -34,7 +34,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#endif
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <glib/gi18n.h>
#include "stdafx.h"
#include <assert.h>
@ -45,7 +44,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "watchbsp.h"
#include "filters.h"
#include "glwidget.h"
bool g_bBuildList = false;
int g_argc;
@ -505,11 +503,6 @@ int main( int argc, char* argv[] ) {
// gtk_disable_setlocale();
gtk_init(&argc, &argv);
gtk_gl_init(&argc, &argv);
gdk_gl_init(&argc, &argv);
// TODO: Find a better place to call this.
gtk_glwidget_create_font();
if ((ptr = getenv ("Q3R_LIBGL")) != NULL)
libgl = ptr;

3
radiant/mainframe.cpp
View file

@ -3227,6 +3227,9 @@ void MainFrame::OnSleep()
*/
Sys_Printf("Done.\n");
// bring back the GL font
gtk_glwidget_create_font (m_pCamWnd->GetWidget ());
g_bScreenUpdates = true;
Sys_Printf("Dispatching wake msg...");

52
radiant/xywindow.cpp
View file

@ -2232,9 +2232,9 @@ void XYWnd::XY_DrawGrid()
while ((step * m_fScale) < 4.0f) // make sure major grid spacing is at least 4 pixels on the screen
step *= 8;
//Sys_Printf("step after: %i\n", step);
while ((stepx * m_fScale) < 40.0f) // text step x must be at least 40 pixels
while ((stepx * m_fScale) < 32.0f) // text step x must be at least 32
stepx *= 2;
while ((stepy * m_fScale) < 40.0f) // text step y must be at least 40 pixels
while ((stepy * m_fScale) < 32.0f) // text step y must be at least 32
stepy *= 2;
qglDisable(GL_TEXTURE_2D);
@ -2334,41 +2334,19 @@ void XYWnd::XY_DrawGrid()
if ( g_qeglobals.d_savedinfo.show_coordinates)
{
qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_GRIDTEXT]);
// Pixels between top of label for vertical grid line and top of grid view window.
// Note: There is currently a bug where the top few pixels of the grid view are hidden
// under the border. So you should add about 5 to the desired value here. However,
// the font ascent reaches higher than all digits, so you can subtract a few from the final
// number.
const int pixelsTopCushion = 4;
// Pixels between left of label and
// - left of grid view window (for horizontal grid line label) or
// - drawn vertical grid line (for vertical grid line label).
const int pixelsLeftCushion = 2; // IMPORTANT! Must be at least 1 otherwise labels might not be drawn
// because the origin of the text might be off screen due to rounding.
// Pixels between baseline of horizontal grid line label and drawn horizontal grid line.
const int pixelsButtomCushion = 2;
float yPosLabelsTop = m_vOrigin[nDim2] + h - (gtk_glwidget_font_ascent() + pixelsTopCushion) / m_fScale;
float xPosLabelsLeft = m_vOrigin[nDim1] - w + pixelsLeftCushion / m_fScale;
float leftCushion = pixelsLeftCushion / m_fScale;
float bottomOffset = (pixelsButtomCushion - gtk_glwidget_font_descent()) / m_fScale;
// This renders the numbers along varying X on top of the grid view (labels vertical grid lines).
for (x = xb - ((int) xb) % stepx; x <= xe; x += stepx) {
qglRasterPos2f(x + leftCushion, yPosLabelsTop);
sprintf(text, "%i", (int) x);
gtk_glwidget_print_string(text);
}
// This renders the numbers along varying Y on the left of the grid view (labels horizontal grid lines).
for (y = yb - ((int) yb) % stepy; y <= ye; y += stepy) {
qglRasterPos2f(xPosLabelsLeft, y + bottomOffset);
sprintf(text, "%i", (int) y);
gtk_glwidget_print_string(text);
}
float offx = m_vOrigin[nDim2] + h - 6 / m_fScale, offy = m_vOrigin[nDim1] - w + 1 / m_fScale;
for (x=xb-((int)xb)%stepx; x<=xe ; x+=stepx)
{
qglRasterPos2f (x, offx);
sprintf (text, "%i",(int)x);
gtk_glwidget_print_string(text);
}
for (y=yb-((int)yb)%stepy; y<=ye ; y+=stepy)
{
qglRasterPos2f (offy, y);
sprintf (text, "%i",(int)y);
gtk_glwidget_print_string(text);
}
if (Active())
qglColor3fv(g_qeglobals.d_savedinfo.colors[COLOR_VIEWNAME]);