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Fix Visual Studio (MSVC) compiler warnings

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This commit is contained in:
Albrecht Schlosser 2023-03-09 17:47:11 +01:00
parent 2527632054
commit 8b1ec4c531
3 changed files with 12 additions and 11 deletions
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4
examples/animgifimage-play.cxx
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@ -120,9 +120,9 @@ static void zoom(bool out) {
// Note: deliberately no range check (use key 'N' to reset)
static const double f = 1.05;
if (out)
animgif.resize((double)W/f, (double)H/f);
animgif.resize(int(W/f), int(H/f));
else
animgif.resize(f*W, f*H);
animgif.resize(int(f*W), int(f*H));
}
static void change_speed(int dir_) {

2
examples/animgifimage-resize.cxx
View File

@ -175,7 +175,7 @@ int main(int argc, char *argv[]) {
// set initial size to fit into window
double ratio = orig->valid() ? (double)orig->w() / orig->h() : 1;
int W = win.w() - 40;
int H = (double)W / ratio;
int H = int(W / ratio);
printf("original size: %d x %d\n", orig->w(), orig->h());
win.size(W, H);
Fl::add_handler(events);

17
src/Fl_Anim_GIF_Image.cxx
View File

@ -18,6 +18,7 @@
#include <FL/Fl_GIF_Image.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/Fl_Graphics_Driver.H>
#include <FL/fl_string_functions.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
@ -198,8 +199,8 @@ void Fl_Anim_GIF_Image::FrameInfo::copy(const FrameInfo& fi) {
double scale_factor_x = (double)canvas_w / (double)fi.canvas_w;
double scale_factor_y = (double)canvas_h / (double)fi.canvas_h;
if (fi.optimize_mem) {
frames[i].x = lround(fi.frames[i].x * scale_factor_x);
frames[i].y = lround(fi.frames[i].y * scale_factor_y);
frames[i].x = (unsigned short)lround(fi.frames[i].x * scale_factor_x);
frames[i].y = (unsigned short)lround(fi.frames[i].y * scale_factor_y);
int new_w = (int)lround(fi.frames[i].w * scale_factor_x);
int new_h = (int)lround(fi.frames[i].h * scale_factor_y);
frames[i].w = new_w;
@ -402,8 +403,8 @@ void Fl_Anim_GIF_Image::FrameInfo::resize(int W, int H) {
double scale_factor_y = (double)H / (double)canvas_h;
for (int i=0; i < frames_size; i++) {
if (optimize_mem) {
frames[i].x = lround(frames[i].x * scale_factor_x);
frames[i].y = lround(frames[i].y * scale_factor_y);
frames[i].x = (unsigned short)lround(frames[i].x * scale_factor_x);
frames[i].y = (unsigned short)lround(frames[i].y * scale_factor_y);
int new_w = (int)lround(frames[i].w * scale_factor_x);
int new_h = (int)lround(frames[i].h * scale_factor_y);
frames[i].w = new_w;
@ -745,7 +746,7 @@ Fl_Image *Fl_Anim_GIF_Image::copy(int W, int H) const /* override */ {
delete gif;
}
if (name_) copied->name_ = strdup(name_);
if (name_) copied->name_ = fl_strdup(name_);
copied->flags_ = flags_;
copied->frame_ = frame_;
copied->speed_ = speed_;
@ -820,8 +821,8 @@ void Fl_Anim_GIF_Image::draw(int x, int y, int w, int h,
Fl_RGB_Image *rgb = fi_->frames[f].rgb;
if (rgb) {
float s = Fl_Graphics_Driver::default_driver().scale();
rgb->scale(s*fi_->frames[f].w, s*fi_->frames[f].h, 0, 1);
rgb->draw(x + s*fi_->frames[f].x, y + s*fi_->frames[f].y, w, h, cx, cy);
rgb->scale(int(s*fi_->frames[f].w), int(s*fi_->frames[f].h), 0, 1);
rgb->draw(int(x + s*fi_->frames[f].x), int(y + s*fi_->frames[f].y), w, h, cx, cy);
}
}
}
@ -1040,7 +1041,7 @@ bool Fl_Anim_GIF_Image::load(const char *name, const unsigned char *imgdata /* =
DEBUG(("\nFl_Anim_GIF_Image::load '%s'\n", name));
clear_frames();
free(name_);
name_ = name ? strdup(name) : 0;
name_ = name ? fl_strdup(name) : 0;
// as load() can be called multiple times
// we have to replicate the actions of the pixmap destructor here